Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutTitle=Ergon SF Sport Gel Saddle - Chromoly +/- 12d & +/-16d)

+/- 12d & +/-16d)

Frequency Hub with top-tier EZO bearings

06: T1708 E-Thru trainer axle M12x1

Come with hex ballpoint on the long arm: the ballpoint drive profile means that it is possible to swivel the tool axis away from the screwdriving axis thus enabling "around the corner" screwdriving

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket CheckoutTitle=Ergon SF Sport Gel Saddle - Chromoly +/- 12d & +/-16d)The 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. 36 BB Frame Interface Italian BB Shell Width (mm) 70 Weight 93 Spindle Interface Type Shimano Hollowtech II Defined Color Silver keyword search RS 500 Interface Italian