Pay in 4 interest-free payments of $437.50 Learn more
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Durable and Weather-resistant: Built to withstand the rigors of outdoor cycling
These insights help refine pedalling efficiency
allowing you to wear them for extended periods without irritation
Durable and Long-Lasting Build: Designed to withstand the rigors of intense use
Blackbearing ZS55/40 Lower Headset Bearing mount_saddle Durable and Weather-resistant: Built toThe Blackbearing ZS55 40 Lower Headset Bearing is designed for riders who demand precision, stability and smooth steering performance. Crafted for semi integrated headset systems, it ensures a secure interface between the frame and fork for confident handling on any terrain. Optimized for 1 1 2" Forks: With a 40mm fork steerer diameter and 55mm frame diameter, this bearing fits modern frames using 1 1 2" lower headset configurations. The sizing