Shimano BB-RS501 Bottom Bracket Right & Left Adaptors BSA Bearing RGroup_B1F4EF6EC12C367328BEF231DB8C387E178F59CE delivering up to 100 LED

delivering up to 100 LED lumens for daytime riding and a maximum runtime of 26 hours on low mode

the pads remain predominantly organic

it offers a hassle-free upgrade

thanks to its Aerogel Insulation

Shimano BB-RS501 Bottom Bracket Right & Left Adaptors BSA Bearing RGroup_B1F4EF6EC12C367328BEF231DB8C387E178F59CE delivering up to 100 LEDThe Shimano BB RS501 Bottom Bracket Right & Left Adaptors BSA Bearing is a high quality threaded HOLLOWTECH II bottom bracket designed for 68 70 mm shell widths, compatible with Shimano Tiagra groupsets. Featuring a new seal construction, this bottom bracket ensures long lasting, reliable performance for your cycling needs.