BB ROTOR BRAND BB PF4630 (BB386, BBRIGHT, PF30) STEEL BLK
Rp880,000
The steel UBB 4630 for the BBright bottom bracket standard is the newest member of the UBB family (Universal Bottom Bracket). The BB uses a threaded sleeve to connect both bearing shells. Frictions, which are typical for press fit sleeves, will be reduced with this connection. Dimensional tolerances of the bottom bracket shell can be compensated. The result is a better parallelism between the bearings and therefore smoother pedaling movement and lower noise generation. The external bearing cups increase stiffness. The better fitting of the bearing / sleeve unit protects the bearings against overload and the durability will be improved. The inner sleeve protects cables and electronics, because there will be no friction with rotating parts.
The BB is compatible with Rotor cranks only.
100% CNC-machined, 7075 aluminum
Silicone seals and center sleeve
Steel bearings
| Weight | 500.0000 g |
|---|---|
| Dimensions | 0.0000 × 0.0000 × 0.0000 cm |
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