1. The bottom bracket is solid and durable with a long service time.
2. The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom.
3. Integrated system can protect the frame, more power output, it's better than ordinary structure bottom bracket.
4. Suitable for 80/100mm frame shell.
5. Please use the BB tool to install and replace the bottom bracket for safety.

Specifications:
Condition: 100% Brand New
Item Type: Bicycle Bottom Bracket
Material: Steel
Color: Black
Fitness: for 80/100mm Frame Shell
Cups thread size and pitch: 34.798mm 1.37 * 24TPI
Optional Style: 80*142mm, 100*155mm, 100*177mm
Size: Approx. 80 * 142mm / 3.1 * 5.6inch, 100 * 155mm / 3.9 * 6.1inch, 100 * 177mm / 3.9 * 7.0inch
Weight: Approx. 384g
Package List:
1 * Bottom Bracket with Screws
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.