Pedals

The Thermalite pedals feature a concave, low profile design and are molded with Thermalite nylon material. - Micro knurling with 24 pins for traction - Recessed end to prevent damage to bearing cover - Chromoly spindle with 6mm broach and 15mm wrench flats - Weight: 391g - Pedal Body Material: Composite/Plastic

Kit Includes premium components: - Inner cartridge bearing x 2 - Outer cartridge bearing x 2 - Igus solid bearing x 2 - Inner seal x 2 - Bearing locknut x 2 - Spindle screw (Left) x 1 - Spindle screw (Right) x 1

Competition-oriented and customizable for refined fit, feel, and power transfer. Details - Durable alloy body - Durable cast steel wings - Integrated traction pad technology to optimize the shoe/pedal interface - Ribbed body for better traction when unclipped - Chamfered edges to reduce rock-strikes - Hex alloy endcap and bashguard - 4-sided entry / superior mud shedding - Customizable float & release angle - Premium bearings & double seal system Specs - Body Material: 6061-T6 aluminum - Cleats: Premium brass cleats with shims included - Endcap: Hex alloy - Inner Bearing Type: Igus LL-glide bearing - Max Rider Weight: No restriction - Outer Bearing Type: Enduro cartridge bearing - Q-factor: 52mm - Release Angle: 15° / 20° - Spindle Material: Forged scm 435 chromoly steel - Spring Material: 300 series stainless steel - Warranty: 5 years - Weight: 320g per pair - Wing Material: 17-4PH stainless

Crank Brothers' 5050 Pin Kit includes 40 8mm-long steel pins that let you customize the traction on your 5050 or Mallet pedals. Thread lock is pre-applied to every pin.

Dimension Toe Clips and Straps Set. Includes: - 4 bolts - 4 nuts (washers included) - 2 nylon toe straps - 2 toe clips

- Fixie style straps that are compatible with most flat pedals - Provide the pulling power of straps with the easy release of clipless pedal system - Stiff, wide straps do not need toe clips

The ultimate weight-saving upgrade.  - The kit includes: 1 pair titanium spindles + refresh kit (Enduro cartridge bearings, Igus ll-glide bearings, DSS double seal system: internal and external seals, hex alloy end caps, o-rings, nuts, sleeve bushings, & bearing removal tool). - Compatible with: Eggbeater, Candy, Mallet, 5050, Double Shot, model years 2010-present - Weight: 60g per pair - Spindle material: 6al/4v titanium - Max. rider weight: 200lb/90kg - Q-factor: 52 mm

The Ergon TP1 Pedal Cleat Tool is the first tool for precisely and easily adjusting cycling shoes cleats. The ergonomically correct position of the feet on the pedals plays a crucial role in injury prevention and is also important for maximizing both performance and comfort.

- Pedal Weight: (pair) 377g - Cleat Weight: (pair) 64g - Size: 68 x 84 x 17 mm - Body Material: aluminum extruded / CNC machined - Spindle: CNC machined cr-moly - Pedal Bearings: sealed bearings / IGUS bushings - Cleat System: X1 / X1F (HT exclusive system) - Pins: replaceable SP7 (M4 x 6mm) pins

Odyssey Twisted PC pedals-extremely simple, lightweight, inexpensive and famously durable plastic-bodied design.Often duplicated but never replicated. - High-strength plastic composite

- Wide pedal-to-shoe contact - Lower platform height for pedaling stability - Integrated cage increases stability and control when not clipped in and protects binding mechanism against impacts - Robust retention claws provide smooth engagement and release - Customize the entry and release tension settings - Strong, durable chrome-molly spindle with 8 mm hex wrench mount - Sealed mechanism - 1.0 mm cleat spacer included - Binding Dual sided - SM-SH51 Cleat included - Cleat retention adjuster - Integrated cage - Cartridge axle - Average weight: 438g - Optional cleat: SM-SH56 - Pedal Type: Off-Road (SPD)

- Weight: 312g  - Body: CrMo Investment - Spindle: Cromoly - Bearings: 1 Cartridge/2DU  - Springs: SWP  - Cleat: XPEDO XPT (6° Float) 

Discover the world of clipless pedals with the KEO CLASSIC 3. The easily adjustable tension makes clipping in and out smooth and simple, with the ability to increase tension to fully appreciate the pedal and all its advantages. - Technology: Spring - Cleats: Keo Grip - Retention: 8 to 12 - Body: Composite - Spindle: Chromoly - Platform Material: Composite - Platform area: 400mm² - Platform width: 50mm - Q Factor: 53mm - Stack height + cleats: 17.8mm (11.5 + 6.3mm) - Weight (pedal): 140g - Weight (pair + cleats): 350g

The KEO 2 MAX pedal is an excellent example of LOOK's design experience. With its wide contact area and composite body, it offers state-of-the-art technology for full power transfer, in an affordable package. - Technology: Spring - Cleats: Keo Grip - Retention: 8 to 12 - Body: Composite - Spindle: Chromoly+ - Platform material: Stainless Steel - Platform area: 500mm² - Platform width: 50mm - Q Factor: 53mm - Stack height + cleats: 17.3mm (11 + 6.3mm) - Weight (pedal): 130g - Weight (pair + cleats): 328g

Secure your everyday cycling confidence and comfort in the essential urban pedal from LOOK. Geo City is a lightweight, upgradeable and affordable platform pedal but with all the style, quality and durability that’s made LOOK pedals the champion’s choice for decades, and the best out on the city streets today. - Technology: Flat pedals - Body: Composite - Traction: Composite - Spindle: Chromoly+ - Surface area: 110x107mm - Weight (pedal): 165g - Weight (pair): 330g

Express your personality while boosting your riding enjoyment and safety with the awesome new Geo City Grip featuring LOOK Activ Grip by Vibram. We’ve combined our legendary pedal performance with the expertise of the world’s most famous mountain grip brand to create a fantastic, fun, colorful town and country pedal. - Technology: Flat pedals + LOOK Activ Grip by Vibram - Body: Composite - Traction: Vulcanized Rubber Activ Grip - Spindle: Chromoly+ - Surface area: 107x103mm - Weight (pedal): 265g - Weight (pair): 530g

The Twisted Pro pedal features a larger body shape, slimmer height and more concave. - Loose-ball bearing

MSW Thump composite pedals feature a concave shape and tall pins to provide a "just-right" amount of traction--enough for the rigors of riding off-road--but with in-mold nylon pins to keep calves laceration-free on more casual rides. Balance doesn’t have to mean boring! - Tough nylon composite body with in-mold pins - Chromoly steel, 9/16” spindles, sealed cartridge bearings and nylon bushings - Platform size = 118 x 99 x 19 mm - Body: 18.5 mm thick with 2.5 mm of concavity for great control and comfort - Black - Made in Taiwan

PA12A pedals feature a reinforced nylon composite body with replaceable grip pins and CNC machined chromoly spindle. - 2 x sealed bearings and DU bushings - Replaceable grip pins - Dimensions: 100 x 95 x 18 mm

The Tom Dugan signature Grandstand pedals feature a slim design to keep feet close to the axle, dual concave and a wider platform. - 17mm thick at center - 105mm wide - Full Size 14mm heat-treated axle with 17mm wrench flats and 6mm broach

A wide flat pedal with wicked grip, 45NRTH's Heiruspecs deliver supreme contact with the bottom of your traditional winter boots. The big CNC-extruded body provides a massive footprint and 16 alloy pins spread across the concave body to provide the ultimate grip. Sealed DU bearings keep them spinning smooth and replacement pin kits are available (sold separately) in seven different colors so you can color-coordinate your rig. - Size: 110mm wide x 100mm long x 18mm high - Spindle diameter: 9/16-inch - Weight: 352 grams

KEO BLADE CARBON pedals feature a Chromoly+ axle and stainless steel bearings for extreme reliability. Beyond its weight, the surface contact area-to-weight ratio is the best in class. Light, aerodynamic and powerful, these pedals have all you need to take it to the next level. - Lightweight, but durable at 115g per pedal / 300g pair with cleats - The 67mm platform width and 700mm² platform area allow for maximum power transfer - The use of a carbon blade instead of a conventional metal spring means this pedal is lighter, more aerodynamic, and offers a faster cleat release - Easy clip in/out with composite blade tension from 8 (installed) to 12 (sold separately) - KEO cleats included - Carbon Body, Chromoly + Spindle, Patented Composite Leaf Spring Retention, Steel Bearings

What if you could take control of gravity? Lean into the bend as far as possible without losing contact with the trail, or fly over doubles with ease? Designed alongside our top athletes to push the limits of grip and control, our TRAIL ROC PLUS flat pedals feature a wide, concave forged aluminum platform and high-resistance axles for perfect stability and unparalleled toughness. With 10 adjustable aluminum pins and a 16mm profile height, they keep you glued to your bike through curves, jumps and technical sections. Make every run a new challenge!

The Comp version of Ritchey's world-beating Paradigm pedal has been redesigned from the ground, up. New engagement system provides best-in-class entry and release and excellent mud-shedding characteristics. The revamped axle system offers even greater bearing life, and a wider body improves stability. - Body: cast alloy - Axle material: CroMo - Inner bearing: ball bearing - Outer bearing: ball bearing - Float: 4° - Distance crank-to-center: 52.5mm - Pedal stack height: 17.1mm - Sold as a pair - Cleats included - Weight: 331g

Choose to ride flat or clipped in for city commutes and casual rides around town. This hybrid composite pedal with its 2-sided entry allows you to do both. It features premium bearings and a double seal system, diamond plate pads for traction, and molded pins and ribs for grip. - Premium brass cleats with shims included - Q-factor: 57mm - Release angle: 15° / 20° - Forged 435 Chromoly steel spindle - 300 series stainless steel spring - 5-year warranty - 331g per pair

Xpedo's designers went back to the drawing board for the GFX to create a fresh new design to meet the demands of the evolving downhill racing styles. The latitude entry system allows rapid engagement in any condition, positioning the front claw upwards for intuitive, seamless contact with the pedal. The Posi-Fit retention system is fully adjustable for fine-tuning the entry and release. The low-profile 6061 CNC body with adjustable height pins provide traction and support with any style of shoes. Tapered cromoly spindles roll on three precision cartridge bearings for easy maintenance. Wider Q-factor allows ample clearance between shoe and crankarm. - Weight: 468g CrMo - Body: 60661 CNC AL - Spindle: Cromoly - Bearings: 3 Cartridge - Springs: SWP - Pins: 16 adjustable height grub pins per pair - Cleat: XPEDO XPT (6° Float)

The Blade Kit for the Keo Blade Carbon range is compatible with ceramic and Ti models. It allows you to replace the original blade or change the tension of your pedals to fit your requirements. 3 different tensions are available: 12 for standard use, 16 for sprinters and a recommended 20 for track cycling.

- Super thin-profile platform pedal designed for freeride, BMX, and urban riders - Impact grade Nylon construction with 16 replaceable, metal-pin traction pins (8 per side) - 13.3mm height / 105mm width - CrMo spindle axle with a smooth running, sealed inner DU bushing / dual-outer sealed bearing system - Weight: 350g

This set of pedals aims to provide a large platform, thin profile, durability, tune-ability and serviceability. Ideal for anything from all-mountain, to downhill, to snow. - 105x115mm pedal body - 17mm concave foot bed - Extruded 6061 aluminum body and 4140 chromoly steel axles - High-load DU bushing and cartridge bearing - 11 pins per side and 7 of which can be flipped to fit short- or long-way to fine tune the amount of grip desired - 9/16"

Here For The Party A party's just not a party until Chester shows up. This burly nylon-composite pedal is big on features, small on price, and fully ready to tear up some trail. A concave body, replaceable traction pins, and a cro-mo sealed axle are all representing. The Full Meal Deal A slim yet durable nylon-composite body is accented with a concave design, built-in traction treads and 8 replaceable traction pins per side. Not Just Another Axle Made to stand up to punishment, the durable sealed cro-mo axle rolls on a completely serviceable bearing + bushing set-up. Bling For Your Bike No build is complete without sick looking color-Coordinated pedals. Chester pedals come in multiple vibrant colors to choose from. Specs - Platform Height: 18.4mm - # of Pins: 16 SHCS hex traction pins per pedal (8 per side) - Platform L x W: 101 x 110mm - Axle Material: Chromoly Steel - Body Material: Nylon Composite - Material: Nylon Composite - Weight: 360g

Power Grips Sport Pedal Kits include black Power Grips attached to a pair of quality, metal cage pedals. - Offers increased pedal power and exceptional durability at a low price point - Pedals feature a resin body with steel cage, ball and cone bearings, forged spindle, and a wide platform - The pre-set adjustable bracket easily adjusts to fit different shoe sizes with a Phillips screwdriver and 8mm wrench - 9/16"

- Compatible with all Spike & Oozy Pedals - Full Complement Sealed Bearing x 2pcs - Green Silicone Friction Seals - Replacement inboard bearings for your SPIKE or OOZY pedals.

Dimension Mini Toe Clips - Toe clips do not accept toe straps - Sold as a pair - Mounting hardware for the toe-clip is included

IGUS Bushing replacements for your Spike or Oozy pedals help to eliminate any play that develops over time, and revive smooth spinning action. - 2pcs IGUS self lubricating bushing - 2pcs O-ring - 2pcs stainless shim washer

- Super thin-profile platform pedal designed for freeride, BMX, and urban riders - Impact grade Nylon construction with in-molded surface pegs (10 per side) for superior traction and longevity compared to cheaper polycarbonate alternatives - 15mm height/100mm width - CrMo spindle axle with a serviceable loose-ball bearing system for easy maintenance - Design compatible with most foot-retention strap systems including Gates Straps (available separately) - Weight: 345g

Shimano's SPD-SL cleats are perfect for all your SPD-SL-compatible pedals. Available in three models to suit your ergonomic needs, with fixed/0-degree, 2-degree, and 6-degree options. These cleats come as a pair and include all required mounting hardware. They are compatible with three-bolt cycling shoes. - 0° Float/fixed type = SM-SH10 - 2° Float/front center pivoting type = SM-SH12 - 6° Float = SM-SH11

Crank Brothers' Mallet 3 pedals sport the company's super easy-to-enter/exit 4-sided cages with wide aluminum/polycarbonate platforms for stellar support and stability, as well as tough chromoly axles with steel wings for durability, making these great pedals ideal for downhill riding and free riding. The open design quickly sheds mud for reliability in sloppy conditions and the traction pins grip well when you're riding clipped out between corners.

The ultimate pedal for enduro riding and racing, with a longer spindle. - Concave platform for secure foothold - 6 adjustable pins per side for grip - Integrated traction pad technology to optimize the shoe/pedal interface - Ribbed body for better traction when unclipped - Chamfered edges to reduce rock-strikes - 57mm q-factor for increased shoe clearance and control - 4-sided entry / superior mud shedding - Customizable float & release angle - Premium bearings & double seal system - Adjustable Pins: 6 per side - Body Material: 6061-T6 aluminum - Cleats: Premium brass cleats with shims included - Endcap: Hex alloy - Inner Bearing Type: Igus LL-glide bearing - Max Rider Weight: No restriction - Outer Bearing Type: Enduro cartridge bearing - Q-factor: 57mm - Release Angle: 15° / 20° - Spindle Material: Forged scm 435 chromoly steel - Spring Material: 300 series stainless steel - Warranty: 5 years - Weight: 424g per pair - Wing Material: 17-4PH stainless

Built to take on anything, the Speedplay Zero road pedal is uniquely qualified to withstand the demands of everything from all-out racing to the epic grind of a double-century. The stainless steel pedal and integrated cleat system offer peak power transfer and exceptional durability, while the customized fit and dual-sided entry will allow you to crank on the pedals in confidence and comfort. Speedplay is the only pedal system to provide independent fore-aft, left-right, and float adjustability to optimize fit and enhance performance through better biomechanics. Designed specifically to maximize every performance advantage the Speedplay platform offers, Zero is a lightweight race-ready, multipurpose pedal that’s durable enough to go the distance ride after ride. - Weight: 220g (per pedal pair) - Spindle Material: Stainless Steel - Spindle Length: 53mm - Float: Fixed-15º Micro-Adjustable - Cornering Angle: 37º - Bearing: Sealed

- Entry level Track pedals with light alloy body and cage - Toe clips and straps required

Xpedo XPR cleat set for R-FORCE 6 is an SPD style cleat specifically designed for 3-hole road shoes. - Weight: 135g per set with hardware - Float: 6°

The X-TRACK is LOOK's entry level off-road pedal, but does not mean technology is left aside. The aluminum body and Chromoly+, double-sealed axles are robust and ensure total fluidity thru the pedal stroke. Tension can be quickly and easily adjusted from 6 thru 14. - Technology: X-Track - Cleats: X-Track Cleat included (Easy Cleat available separately) - Cleats standard: SPD compatible - Retention: 6 to 14 - Body: Aluminum - Spindle: Chromoly+ - Platform area: 350mm² - Platform width: 57mm - Stack height + cleats: 16.8mm (10.7 + 6.1mm) - Weight (pedal): 200g - Weight (pair + cleats): 450g - Float angle: 6° - Release angle: 13°

The X-TRACK EN-RAGE is a sturdy pedal to accompany you on your favorite trail ride with varying terrain. The forged aluminum body is designed to resist extreme conditions and potential abuse from trail riding. The large contact area is perfect for riders looking for a comfortable width that offers security but also a surface contact-to-weight ratio which remains best in class for trail pedals. - Technology: X-Track - Cleats: X-Track Cleat included (Easy Cleat available separately) - Cleats standard: SPD compatible - Retention: 6 to 14 - Body: Aluminum - Spindle: Chromoly+ - Platform area: 545mm² - Platform width: 63mm - Stack height + cleats: 16.8mm (10.7 + 6.1mm) - Weight (pedal): 210g - Weight (pair + cleats): 470g - Float angle: 6° - Release angle: 13°

X-TRACK cleats are compatible with all SPD-standard pedals, utilizing 2-screw mounting for an ultra compact profile and lightweight. X-TRACK Easy cleats provide a 13° angle of disengagement and allow for multidirectional release. - Compatibility: X-Track and Geo Trekking Collection, SPD compatible - Material: Premium Steel - Clip out direction: Multidirectional - Clip in: 30% easier - Angle of Disengagement: 13° - Lateral Adjustment: 2mm - Angular Adjustment: 1° - Weight (pair): 45g

The GEO TREKKING VISION is the ultimate commuter pedal. Two different sides: one flat suitable for any shoes, and the other SPD-compatible for when you take things up a level. A removable light system adds that little extra security: ride to work in your suit and tie, ride home via the trails and side roads. - Technology: Hybrid pedals = half flat + half clipless - Cleats: X-Track Easy - Cleats Standard: SPD compatible - Release Angle: 13° - Retention: 5-10 - Body: Composite - Traction: Composite studs - Spindle: Chromoly+ - Platform width: 84mm - Weight (pedal): 217g - Weight (pair + cleats): 490g - Light included: Yes (x2) - Light modes: 3 (steady/flash/flash eco) - Battery Life: Up to 30h (flash eco) - Light Output: 15 lumens - Battery: Micro USB rechargeable (cable included) - Charging time: 50 min - Beam angle: 180°

- Body material: Aluminum - Spindle material: Chromoly + - Weight: 390g |pair - Surface area: 350mm² - SPD compatible

The Keo Spacer adaptors are slim wedges that fit between the shoe and the cleat. They aim to avoid the unpleasant creaking sound provoked by contact between the sole and the cleat, which can arise in particular with flat-soled shoes. Delivered with 2 spacers and 6 screws for quick and easy installation.

The Jonesin' pedal is the little brother of the Safari pedal, designed using the same basic principles of extra hexagonal studs and a true dual concave DX style platform but with a slimmer body for a closer to the axle feel. - Tough nylon fiberglass construction - True dual concave design - Knurled surface for extra grip - 18 optimally placed hexagonal pins per side

The Tom Dugan signature Grandstand pedals feature a slim design to keep feet close to the axle, dual concave and a wider platform. - 17mm thick at center - 105mm wide - Full Size 14mm heat-treated axle with 17mm wrench flats and 6mm broach

Exceptional build quality for reliable performance. MSW dual-sided clipless Flash II Pedals incorporate a simple release mechanism with impressive foot support. The lightweight design reduces fatigue to extend your riding time. And isn’t that what it’s all about? - Chromoly 9/16” spindle, bushing & bearing configuration - SPD-compatible, 2-bolt cleats included, 4° float, 14.6° angle of release - Dual-sided clipless, aluminum pedal body - Adjustable spring tension with tension indicator - Black - Made in Taiwan

The DELTA standard requires a rotational movement of the foot toward the outside or inside for disengagement. This function improves cyclist's safety; no body or bearing prevents disengagement toward the inside. Compatible with non-KEO LOOK pedals, their contact area is wide for optimal comfort. They also feature a memory positioner to aid when changing cleats. - Use: Road & Indoor Bike - Material: Polyacetal + PTFE - Lateral adjustment: 4mm - Longitudinal adjustment: 12mm - Weight (pair + fasteners): 75g

Size specific magnesium platform pedal provides optimal shoe/pedal interface. Details - Magnesium pedal body for weight reduction - Optimal surface area - Minimal body profile - 16mm thin - Concave pin profile & 10 adjustable pins per side for grip - Premium bearings & seal system - Stamp small recommended for shoe sizes: 5-10 (us) // 37-43 (eu) - Stamp large recommended for shoe sizes: 10-15 (us) // 43-49 (eu) - Serviceable, pedal refresh kit found here Specs - Adjustable pins: 10 per side - Body material: AM60B Magnesium Alloy - Endcap: T15 - Footprint: 114mm x 111mm - Inner bearing type: Igus Bearing - Max rider weight: No restriction - Outer bearing type: Double Cartridge Bearing - Shoe size: US 10-15 // EU 43-49 - Spindle material: Forged SCM 415 Chromoly Steel - Warranty: 5 years - Weight: 386g per pair

- The ATAC EASY 10° cleat works with all TIME mountain pedals. - Included with mountain pedal models numbered "2" and "4." - Release angle of 10 degrees and is compatible with all two-hole cycling shoes. - Don't let the "Easy" name fool you. If you are a high-performance rider looking to reduce the release angle from our 17 or 13 degrees, this is the choice for you.

Dimension Mountain Compe Pedals. - Forged aluminum body - Accepts toe clips - Pedal Body Material: Aluminum - Pedal Spindle: 9/16-inch - Pedal Type: Toe Clip Compatible - Spindle Material: Chromoly Steel - Weight: 335g

An extremely low-profile composite pedal that can handle just about any type of riding. - Ultra-durable composite body - Low-profile body in a slim-lined platform dimension - 2DU Bushing System with low-friction coating - Boron axles - 12 molded traction pins - Pedal body dimensions: 95 x 72 x 25mm (LxWxH) - 9/16"

A modern take on the classic platform pedal style. DMR provides a large pedal body area and DU bushing system aimed to provide riders with control, durability and serviceability. - 15 x 95 x 25mm (L x W x H) - 8 replaceable M4x0.7x8 corner pins and 12 fitted non-replaceable pins per pedal - Designed with grease ports; 'V-lube' grease syringe included with pedals - Double concave pedal body for control and stability - Classic parallelogram shape - 9/16"

- Extend the life of your iSSi Thump pedals by replacing beat-up or missing pins with the Thump Replaceable Pin Kit. - Includes 36 steel pins and 2mm spacers to replace both sides of two pedals - The standard pin height out of the box is 3mm with a 2mm spacer. For more traction, remove the spacer under the pin head to increase pin height to 5mm.

The Best Of Both Metals The Aeffect pairs a thin, lightweight 6061-TI aluminum body with a cro-mo axel that runs our tried and true bearing and bushing set-up. Surefooted As A Mule You want traction? You got it. Bottom loading hex-head threaded pins give you all the bite and foot security you need. Your True Colors Shining Through Pick from three vibrant colors to compliment your build and your personal sense of style. Just don't choose wrong or they'll make fun of you. Get Up Stand Up Like a good trail dog, the Aeffect Pedal is most in its element on a flowy section of backwoods Nirvana. Designed with a smaller body, this strong, durable, rebuildable pedal is made to chase stoke all day long. Specs: - Axle Material: Chromoly Steel - Body Material: 6061 Aluminum - Material: 6061 Aluminum - Platform Height (MM):16.9 - # of Pins: 20 SHCS hex traction pins per pedal (10 per side) - Platform L x W (MM): 101 x 100 - Weight: 375g

The ultimate pedal for enduro riding and racing, with a longer spindle. - Concave platform for secure foothold - 6 adjustable pins per side for grip - Integrated traction pad technology to optimize the shoe/pedal interface - Ribbed body for better traction when unclipped - Chamfered edges to reduce rock-strikes - 57mm q-factor for increased shoe clearance and control - 4-sided entry / superior mud shedding - Customizable float & release angle - Premium bearing & double seal system

The Curve Sole Measurement Tool works in conjunction with the flat sole shims to correct the radius of flat sole shoes and prevent unwanted squeaking. There are 4 radius measurements, one per side, that measure the sole and indicate whether a shim is needed or not.