Features:
1. Bottom bracket is sturdy and durable for long term use.
2. Steel shell can absorb true circular tolerances to attach the bracket bottom port.
3. Integrated system protects the frame and provides more output and is better than normal bottom brackets.
4. Suitable for 68mm frame shell.
5.For your safety, please use the BB tool to install and replace the bottom bracket.
Specifications:
Suitable for: 68mm frame shell
Weight: about 316g/11.15oz
Size: Approx. 2.7 x 4.6 inches (68 x 118 / 120 / 122.5 / 124.5 / 127.5 mm).
Cup screw size and pitch: 34.798mm 1.37*24TPI
Construction: 2 Bearings
Package List:
1 x Quad-hole shaft
2 x Screws