Sylvan Track NEXT features a short two-piece single-sided cage built around a compact pedal body that allows for ample ground clearance when corneringTriple sealed cartridge bearings provide remarkably smooth rotation and improve pedalling efficiency thanks to the low dragUse of toe clips and or straps is recommended due to the smooth nature of the side plates9/16`Sealed CartBlackAlloy80x61mmUPC/EAN/GTIN: 4560369004546