Shimano BB-RS501 Italian Bottom Bracket - Hollowtech II, Lightweight Aluminum Part Type_Axle Spacer and downhill racing where dependable

and downhill racing where dependable braking is critical

Constructed with a wind-resistant soft shell outer layer

Engineered with precision components and featuring innovative design elements

long-distance gran fondos

Shimano BB-RS501 Italian Bottom Bracket - Hollowtech II, Lightweight Aluminum Part Type_Axle Spacer and downhill racing where dependableElevate your cycling performance with the Shimano BB RS501 Hollowtech II Italian Bottom Bracket, a precision engineered component designed for durability, efficiency, and seamless integration. Crafted with high quality materials and innovative technology, this bottom bracket is ideal for road cyclists seeking reliable and long lasting drivetrain performance. Materials & Construction Constructed with anodized aluminum cups, the Shimano BB RS501 offers