40-Series replacement cartridge bearings feature durable black oxide construction.
- Compatible with 110-, 40-, and 10-Series headsets
Winter hours: M-F 11-6, SAT 10-6. (Closed Sunday) To Cycle Sports and Hank and Frank customers: You are welcome at our shop and our staff is ready to serve. Mention either of those shops for 10% off your first repair in our shop. ALSO: We've got youth bikes. 16, 20 and 24 inch bikes are in stock. AND, we have special buy one-time deal on e-scooters - $495. When they're gone, they're gone. Donate to our online campaign here! Questions? E-mail us at email@example.com or text/call us at 510-328-1158.