Kactus Tech BB90 Ceramic Cycling Bottom Brackets Press BB Mountain Bike Road Bicycle Parts 24mm Chainset for TREK Crankset
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Specifications
- Brand Name
- NONE
- High-concerned chemical
- None
- Origin
- Mainland China
- Material
- Aluminum/Alloy, Aluminum Alloy,Ceramic Palin
- Model Number
- BB90, BB90
- Use
- Road Bicycles
- Bearing
- Ceramic Bearing
- Ceramic Beads
- G3 Silicon Nitride
- Use 2
- Both Road and Mountain Bicycles
- Applicable Axis
- 24mm(22mm)
- Press-in Diameter
- 37mm/37mm
- Application
- Special for TREK
Product Description
About G3 Silicon Nitride Ceramic Beads :It highlights the higher strength and impact resistance characteristics of Si3N4, making it better than metal bearings, Secondly, their better wear resistance and heat resistance, light weight and smoothness, making the cranksets smoother during rotation. Be loved and recommended by cycling enthusiasts.reducing friction.G3 Ceramic Bearing
1.Ceramic bearings are installed in cups.
2.High quality G3 silicon nitride ceramic beads and hardened-steel races.
3.G3 Silicon nitride ceramic beads ,it highlights the higher strength and impact
resistance characteristics of Si3N4, making it better than metal bearings, Secondly,
their better wear resistance and heat resistance,light weight and smoothness,
making the cranksets smoother during rotation. Be loved and recommended by
cycling enthusiasts.
4.Low operating noise.Product physical photos
The product is taken in kind and displayed from multiple angles, showing you more different product scenarios.Product Packaging
Note: Due to different batches, the factory will replace the outer packaging of the product, please refer to the actual receipt!
Pros & Cons
Pros
- G3 Silicon Nitride ceramic beads for superior wear resistance and smoothness
- Lightweight aluminum alloy construction
- High strength and impact resistance over metal
- Specific fit for TREK cranksets enhances performance
Cons
- Press-fit may require special tools
- Limited to 24mm axis and TREK compatibility
- Ceramic beads premium pricing
- Mainland China origin quality variability concerns
Common Questions
What material is the Kactus Tech BB90 bottom bracket made from?
Aluminum alloy with ceramic bearings, G3 Silicon Nitride ceramic beads for high strength.
What size and compatibility for Kactus BB90 cycling bottom bracket?
24mm (22mm) axis, 37mm press-in diameter, special for TREK crankset, BB90 model.
Is the BB90 ceramic bracket for road or mountain bikes?
Suitable for both road and mountain bicycles, with ceramic bearings for smooth rotation.
How to install Kactus Tech BB90 bottom bracket?
Press-fit installation for 37mm diameter frames; compatible with TREK 24mm chainset.
Shipping origin for Kactus BB90 ceramic BB?
Mainland China; 10-25 days international shipping.
Product information last updated on April 1, 2026