Shimano BB-RS500 Bottom Bracket Tiagra Press-Fit accessories Choose the gauge style that

Choose the gauge style that suits your preference:

Packaging includes mounting hardware

CO₂ inflator with two 16g cartridges

and experience more power

Shimano BB-RS500 Bottom Bracket Tiagra Press-Fit accessories Choose the gauge style thatThe Shimano BB RS500 Press Fit Bottom Bracket is designed for smooth, efficient performance on modern road and gravel bikes. Built to fit BB86 press fit frames (41 mm shell diameter 86. 5 mm shell width), it is fully compatible with Shimano Hollowtech II cranksets using a 24 mm spindle, including Tiagra. Featuring sealed steel bearings, the BB RS500 delivers low friction, reliable rotation, and long service life, even under regular training use.