40-Series replacement cartridge bearings feature durable black oxide construction.
- Compatible with 110-, 40-, and 10-Series headsets
*New* Spring hours: M-F 11-6, SAT 10-6. (Closed Sunday). Check out our 2022 stock of Breezer, Marin, Fuji and SE for commuters, gravel crunchers, BMX and recreational riders. If you are new to us, please know that we extend repair priority to folks who set up appointments. To schedule a repair appointment, click thru to our online appointment system below. COVID-19 is still a risk. We ask that clients be masked and vaccinated when they enter our store. We commit to returning that favor. Questions? E-mail us at firstname.lastname@example.org or text/call us at 510-328-1158.