Shimano BB-RS501 Hollowtech II Italian Bottom Bracket MFPN=100-2319-010 For 9x12 mm interchangeable insert

For 9x12 mm interchangeable insert tools

Will also work on 1-1/8" stems with 1" reducer shim

Practical range for DIY assembly work and repairs

8g per pair

premium optics

Shimano BB-RS501 Hollowtech II Italian Bottom Bracket MFPN=100-2319-010 For 9x12 mm interchangeable insertThe 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