SQlab 511 Pedals The Best Mountain Bike Experience Somebody call 511! Riders clipping in on the bike trails. Whoa! Clipping into your pedals is a great way to increase your pedaling power and control on the trails. The SQlab 511 Pedals have an axle length system for the best mountain bike experience. It's available in 4 axle lengths that enable an ergonomic and natural foot positioning of the rider by adapting to their individual shoe size and foot position. This prevents one-sided strains and ensures a better power transmission to the pedal. These pedals are compatible with Shimano SPD cleats. Features Available in 4 axle lengths that enable an ergonomic and natural foot positioning Prevents one-sided strains and ensures a better power transmission to the pedal Compatible with Shimano SPD cleats Specifications Spindle Material Chromoly Body Material Aluminum Cleat Type Shimano SPDBinding2Adjustable Tension Yes Intended Use Mountain, Gravel Axle Lengths-5 / 0 / +8 / +15mm Distance: Crank To Pedal Center47. 9 / 54. 9 / 61. 9 / 68. 9mm Weight N/A | Sqlab | 511 Pedals Xl +15 Mm | Aluminum