This product is in: | Parts & Components > Chainsets > Rotor BB1 Bottom Bracket Steel | and: | Parts & Components > Rotor BB1 Bottom Bracket Steel | and: | Parts & Components > Bottom Brackets > Rotor BB1 Bottom Bracket Steel |
Rotor BB1 Bottom Bracket Steel
|
Being in the crank business means that you get into the bottom bracket business, and Rotor Bike Components is making inroads on both counts. The Rotor BB1 Road Bottom Bracket is similar to their SABB bottom bracket in that it uses non-contact labyrinth seals on the bearings to ensure that they're buttery smooth and don't detract from your efforts against the pedals. After all, Rotor is founded on the principle of helping you put more power to the ground as efficiently as possible. With input from the riders on the Cervélo Test Team, Rotor engineers worked to make improvements on a few small details of the oft-overlooked bottom bracket. The aforementioned seals were an improvement, as external bearing bottom brackets of this type have long been known to possess a considerable greater amount of drag compared to some of the benchmark bearing assemblies from earlier generations (think Campagnolo Record square taper). Rotor also thought to improve the plastic caps that snap into the bearings. We often call them dust caps, but they have a structural place in the bottom bracket system, providing a bit of compressive relief in the slip fit between the spindle and the inside diameter of the bearings. But as they also provide a built-in washer between the crankarms and the inner bearing race, too much compression or deformation under load could result in poor bearing preload and lateral misalignment as you pedal. Rotor has eliminated any chance of this and the result is better shifting. The Rotor BB1 Road Bottom Bracket has Black anodized CNC machined 7075 alloy cups. They are threaded to fit 68mm English bottom bracket shells. This BB1 bottom bracket will fit all Rotor and Shimano compatible cranks with a 24mm spindle. Note: price includes VAT @ 20% |
