Shimano BB-RS501 Hollowtech II English Bottom Bracket MFPN=4308600 Utilizing FSA’s core knowledge base

Utilizing FSA’s core knowledge base of both headset and cockpit components the SMR system provides a “plug-in” solution for bike brands looking to internally route cables wires and hoses from the cockpit into the frame

3% Faster than standard tubeless

Compatible with 5-to-12-speed derailleur chains that use a master link including SRAM AXS and Shimano XTR 12-speed

Spoke Interface J-Bend Skewer Included No Defined Color Black Rear Axle 12mm Thru x 142mm Hub Drilling 28 Bearing Type Sealed Cartridge Color Black Hub/Brake Compatibility Center-Lock Disc Cassette Body Type SRAM XD 11/12 Speed

Synthetic top

Shimano BB-RS501 Hollowtech II English Bottom Bracket MFPN=4308600 Utilizing FSA’s core knowledge baseThe Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life. Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 93 Spindle Interface Type Shimano Hollowtech II Defined Color Silver keyword search RS 500 Interface English