â˘With a faster, lighter, and more durable ceramic bottom bracket,  a well-made ceramic bearing will roll faster, saving you energy and allowing faster cruising speeds than an equivalent steel bearing.
â˘A low Q factor of 140mm ensures a perfect position in the bicycle for TRACK and Fixed users.
â˘A super stiff BCD 144 / 4mm thickness chainring is able to respond to your fast-twitch muscle action and high power outputs and provide the performance benefits inherent in round rings with dependability.
â˘An ultra-light track disc crankset â Complete crankset weight W/O BB ( Crank arm, Axle, Spider, and 50T Chainring ) â  778g only, Compare to Vision Disc track (818g), Rinpoche R3230 ( 800g), Rotor Vegast  (710g), We make our D24 stand out from the top-level track crankset in a valuable price.