Sharing many of the features with pedals costing twice as much, the Shimano M520 is an entry level pedal suitable for XC & a host of other uses. Lightweight, durable & smooth, with sealed bearings & an open, mud shedding design for reliability in performance in all conditions. A value for your money dual-sided SPD pedal, a favourite XC mountain bike SPD has a super-compact & lightweight design for a multitude of cycling uses. Sealed cartridge bearing spindle keeps out water & mud for a smooth action, & makes for a durable pedal & its open design helps to shed mud SHIMANO invented SPD to meet the needs of a growing frontier lifestyle called MTB. By eliminating toe-clips & integrating the pedal & outsole into a single, unified power transfer system, SHIMANO changed the industry; not only boosting power to the pedal, but also the riders control over increasingly adventurous styles of riding. Today theres no single MTB style, & no single SPD pedal to match. Its all over the landscape, from fast paced XC racing to steep, rocky, wet, rooted & muddy trails. SHIMANO SPD pedals are keepin up. The legacy of inthe-dirt dependability, reliability & sheer endurance continues as shoe-pedal designs evolve to meet the needs of your personal style of ride. System-Engineered. Rider-Tuned. You choose. Key Features SPD is a system that performs whether youre on or off the bike. It makes pedaling more efficient with a wide variety of shoe & pedal styles & the recess cleat makes walking more comfortable You can pedal with greater efficiency, stability & comfort with the SPD system Chrome-moly spindle & low-maintenance sealed bearing cartridge axle Shimano SPD-SL Pedal User Manual Bicycle Pedal Buying Guide