On Track BB Cupset Sealed 51.4mm O.D
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- One-piece sealed bottom bracket for durability
- 51.4mm outer diameter for a secure fit
- Ideal for small one-piece cranks
- Sealed design for smooth performance
- 5/16" x 9mm size for compatibility
The On Track BB Cupset Sealed 51.4mm O.D is a durable, one-piece sealed bottom bracket designed for bikes with small one-piece cranks. Featuring a 51.4mm outer diameter, it ensures a secure and stable fit. The sealed design provides smooth, long-lasting performance by preventing dirt and moisture from entering, making it ideal for consistent riding. Compatible with 5/16" x 9mm sizes, this bottom bracket cup set is a reliable choice for high-quality bike maintenance.
Ontrack was a brand developed in-house over 15 years ago with an aim to provide cyclists with a large range of parts and accessories which lasted the distance and gave people value for money. From humble beginnings, Ontrack have morphed and adapted, but this hasn't changed.
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