CeramicSpeed BB ALPHA for BBright Shimano Road
السعر العادي OMR 0
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Key Specifications
- Frame Compatibility: BBright Pressfit standard (46 mm shell ID, 79 mm asymmetrical width).
- Crank Compatibility: 24.0 mm spindle (Shimano Road, FSA Road, and Rotor 24 mm axle configurations).
- Bearing Technology: Hand-assembled, high-precision Grade-3 Silicon Nitride ceramic balls running on hardened, corrosion-resistant stainless steel races.
- Construction: CNC-machined 7075 aluminum alloy cups with a superlight asymmetric inner spacer tube.
- Weight: ~99 grams (a 10% reduction over previous generations due to thinner, stronger cup walls). [1, 2, 3]
Core Innovations of the ALPHA Generation
- 500% Better Moisture Protection: Updated, high-stiffness structural POM plastic dust covers sit completely flush against the outer cup margins. This creates an elite barrier that seals out water, grit, and mud without introducing additional mechanical drag. [1, 2, 3]
- Zero Spacers Required: Unlike older adapters or setups using 30 mm variations, the Shimano-specific version of the BB ALPHA is precisely machined to size, entirely eliminating the need for unneeded micro-spacers or wave washers during assembly. [1]
- Simplified Architecture:
