Rotor BB1 Steel Bottom Bracket
Rotor's BB1 Steel sealed bearing bottom bracket was developed with the Cervélo Test Team during the 2009 season and features a new non-contact labyrinth seal to preserve silky-smooth running with un-paralleled protection against dust, water and mud. Compatible with all BB24 cranks. High quality Steel bearings provide durable, low friction performance at realistic cost.
- High quality alloy cups
- Weight 96g (pair)
- Labyrinth seals for maximum protection when riding in extreme conditions
- Steel bearings provide affordable performance and durability
- Available with British or Italian threading
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