Bottom Brackets Cycling BB90 for TREK Cranksets Press in diameter φ37 X37 mm Mountain Road Bicycle Axis 24 Central Movement part

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.

Brand:KACTUS TECH

Name:Bicycle Bottom Bracket

Model Number:BB90

Color:Black

Material :Aluminum Alloy,Ceramic Palin

Weight :About 50g（Weight does not include accessories）

Press fit : 37mmX37mm

Applicable Axis:φ24mm /φ22mm

Fit for : TREK Cranksets

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!