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Detailed information of the product:

• Bearing Cups are Made of 7075 Anodized Aluminum Alloy
• CNC Machined and Polished surface
• Bearing with Rubber Seals, Cup diameter is 41mm
• Nylon Seals Outside the Bearing
• Weight: 89g (Including Spacer, 2 Nylon Seals& Wave Washer for Sram GXP Only)
  
• Press fit for BB91, BB92& BB86
• Rubber Rings outside the BB Cup to prevent creaking Noise
• Fit with many cranksets: SRAM GXP,Truvativ(22/24mm Axle) & Shimano,Raceface,Rotor& FSA (24mm Axle) ......
• Information about Ceramics bearing:
  Bearing Material: Chrome Steel 52100
  Ball Material: Nitrided Silicon Ceramic SI3N4
  Enclosure: Two Seals
  Enclosure Material: Rubber Seal

Return& Item Quality control:
1 year warranty