If there is any Quality problem,pls contact me before leaving feedback,I will solve the problem for U

Warranty and Return policy:
1 year warranty
If items are in original condition, 1 month return is accepted, A Restocking Fee of 10% will be applied.

  • Made by J&L, not Praxis
  • Bearing Cups are Made of 7075 Anodized Aluminum Alloy
  • CNC Machined and Polished surface
  • Bearing with Rubber Seals, Cup diameter is 41mm
  • O Rings outside the Cups to give better Water Resistance and they will Decrease Bottom Bracket Noise also
  • Nylon Seal outside the bearing
  • For Praxis M30 Crank Axle (30mm Drive Side/ 28mm NonDrive Side)
  • Ceramic bearing versions
  • Weight is 54g only
  • Information about Ceramics bearing:
    Bearing Material: Chrome Steel 52100
    Ball Material: Nitrided Silicon Ceramic SI3N4
    Enclosure: Two Seals
    Enclosure Material: Rubber Seal


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