Shimano Saint M821 Pedals Clipless model union Fizik Antares VS Saddle 140mm Fizik Antares VS Saddle 140mm K:lum Rails Black White Roval Control SL Boost Carbon Tubeless 29" Wheelset Improved axle durability (vs PD M820) Wide contact area enhances stability when paired with SHIMANO AM series shoes Thin pedal body lowers stack height and improves obstacle clearance Four height adjustable pins per side for improved grip when not clipped in Non pop up alloy pedal body for simplicity and durability Slim and durable chrome moly spindle with 8 mm hex wrench mount Pedal body protects binding mechanism against impacts Robust retention claws provide smooth engagement and release Adjustable entry and release tension settings