CeramicSpeed aluminium alloy pulley wheels are specially designed to reduce friction to an absolute minimum, virtually eliminating the drag associated with standard pulley wheels. The special design helps guide the chain in its ideal line and perform super smooth shifting.
CeramicSpeed Ceramic Bottom BracketThis bottom bracket offers extremely low bearing friction and long lifespan. The unique CeramicSpeed ceramic balls are of the highest achievable quality and out-perform everything else in the market. The system is so stiff and efficient that additional spacers are not required or supplied with it Features:Road Specific68mm ShellBSA English ThreadingUse with 24mm