Ceramic Bottom Bracket Shell Width 68/73mm T47-24/30mm/DUB All Series Threaded BB fit for Shimao/SRAM/SRAM-DUB Bicycle Cranksets

Recommended thread BB repair tools:

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, reducing friction and making the cranksets smoother during rotation. Be loved and recommended by cycling enthusiasts.

CNC Machining Process

Heat treated CNC process Guaranteed strength Lightweight at the same time.

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.

Model Number:T47-24(68mm)↓↓↓

Color:Black ,Red

Material:Aluminum Alloy,Ceramic Palin

Weight :About 118g（Weight does not include accessories）

Shell width:68mm-73mm

Applicable Axis:φ24mm*φ22mm

Fit for :Shimano full range of cranksets,SRAM GXP road bike or MTB crankset,Rotor 3D24,Aldhu24 crankset and other brand of crankset with shaft diameter 24mm.

Model Number:T47-30(68mm)↓↓↓

Color:Black ,Red

Material:Aluminum Alloy,Ceramic Palin

Weight :About 111g（Weight does not include accessories）

Shell width:68mm-73mm

Applicable Axis:φ30mm*φ30mm

Fit for :SRAM Rival 22 \ Force22\ S900 \S952 \BB30 crankset,

Fit for :SRAM Red Quarq BB30 etc cranksets with 30mm diameter.

Fit for :Rotor 3D \3D30 \3DF \Aldhu etc cranksets with 30mm diameter.

Model Number:T47-DUB(68mm)↓↓↓