Bottom Brackets

A bottom bracket is an important part in the drivetrain off your bicycle. It connects the crankset to the frame and transfers the power produced by the rider. To reduce friction, CEMA places SRC ceramic bearings in CNC machined cups. Less resistance to ride faster!

Interlock

To increase the rigidity of a pressfit bottom bracket, CEMA pressfit bottom brackets are designed with an Interlock system. Both sides of the pressfit bracket are threaded together inside the frame. This will optimise power transfer and avoid noise issues and cracking!


BSA Threaded cups

BSA Threaded cups

BSA 1.37" X 24 T cups for road and mtb

  • CEMA SRC ceramic or Stainless Steel bearings
  • To install 24 mm, SRAM GXP or 386 cranks
  • Precision machined CNC cups
  • Aluminium dust covers

Your price from: €65.00 Ex Tax: €53.72

Threadfit 82,5 cups (Colnago)

Threadfit 82,5 cups (Colnago)

Compatibel met Colnago threadfit 82,5 frames C64, C60, V2R, V1R, Concept

  • CEMA SRC ceramic bearings
  • To install 24 mm and SRAM GXP cranks
  • Precision machined CNC cups
  • Aluminium dust covers

Your price from: €124.90 Ex Tax: €103.22

ITA threaded cups

ITA threaded cups

ITA threaded 36mm 24T cups for road

  • CEMA SRC ceramic or Stainless Steel bearings
  • To install 24 mm or SRAM GXP cranks
  • Precision machined CNC cups
  • Aluminium dust covers

Your price from: €75.00 Ex Tax: €61.98

BB30 for BB30 / PF30 cranks

BB30 for BB30 / PF30 cranks

Complete BB30 set for race en mtb

  • CEMA SRC Ceramic, Stainless or Steel bearings
  • To install BB30 or PF30 cranks
  • Includes, circlips, wave washer and dust covers

Your price from: €42.50 Ex Tax: €35.12

BB30 Interlock

BB30 Interlock

BB30 Interlock adapter for race and mtb

  • CEMA SRC ceramic or Stainless Steel bearings
  • To install 24 mm, SRAM GXP or 386 cranks
  • Precision machined CNC cups
  • Aluminium dust covers

Your price from: €99.90 Ex Tax: €82.56

BB30A Cannondale Assymetric- Interlock

BB30A Cannondale Assymetric- Interlock

BB30A Interlock adapter for assymetric Cannondale frames

  • CEMA SRC ceramic or Stainless Steel bearings
  • To install 24 mm, SRAM GXP or 386 cranks
  • Precision machined CNC cups
  • Aluminium dust covers

Your price from: €99.90 Ex Tax: €82.56

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