Model----SPD-SL ROADBikeFit Cleat Wedges For Lo-ok/Shimano 3-Hole Road Pedals work with Shimano SPD-SL (Shimano Road), Campagolo, TiM road, and similar 3-hole cleat systems. Features: Solves problems with alignment and common cycling pain (foot, knee, and back).Relieves preure or hot foot on the outside of feet.Allows foot to function naturally without being forced flat by the pedal.Durable plastic to withstand harsh road conditions, debris, and dirt.Increases foot stability leading to improved power transfer.Flexible enough to conform to the stiff sole of a rounded cycling shoe.Specially designed formula increasesthe strengthof the plastic.Compatibility:Shimano Compatible1Cleat Wedgeswork with Shimano SL road, Campagnolo, Tim road and similar 3-hole cleat systems. Includes: (8 pcs) 3-hole Cleat Wedges(2 pcs) 12 mm Hex Screws(4 pcs) 14 mm Hex ScrewsInstallation instructions Why Wedge?The 3-hole systemis also known as the SHIMANO system(for the pioneering manufacturer/brand, . The 3-hole system is most often used for road cycling because it offers a stable platform for energy transfer while riding. The soles of many performance oriented shoes are often made more for riding than walking with stiff soles and little tread. The larger cleat design incorporates a three-fastener connection, which ismuchmore secure connection than the 2-hole type. Popular brand names of 3-hole cleats are; , Shimano SL, Tim Roadandothers. Model----SPD MTBFeatures: Solves problems with alignment and common cycling pain (foot, knee, and back).Relieves preure or hot foot on the outside of feet.Allows foot to function naturally without being forced flat by the pedal.Durable plastic to withstand harsh road conditions, debris, and dirt.Increases foot stability leading to improved power transfer.Flexible enough to conform to the stiff sole of a rounded cycling shoe.Specially designed formula increasesthe strengthof the plastic.Tech Specs:Weight: Le than 1 gram34mm x 33mmCompatibility:Shimano SPDTim-e At-acSpeedplay Frog(see Step 4)Crank Bros.(see Step 4) (See instructions)Other popular 2-hole MTB type pedals NOT COMPATIBLE WITH SPEEDPLAY SYZRWhat's in the Box?!?!?! (8) 2-hole SPD / MTB compatbile Cleat Wedges(2) 12 mm hex screws(2) 14 mm hex screws Have a great time shopping!