VIFER Square Taper Bottom Bracket 100 * 177mm,Steel Bicycle Parts for Tapered Spindle Crank(Black)

• Durability: The bottom bracket is firm and durable with long service life.
• Superior performance: The steel shell can absorb the roundness tolerance used to install the bottom ports of the bracket.
• Powerful functions: The integrated system can protect the frame and output more power, which is better than the bottom bracket of ordinary structure.
• Application: Applicable to 80/100mm frame shell.
• Precautions: For safety, please use BB tool to install and replace the bottom bracket.

Features: 1. Durability: The bottom bracket is firm and durable with long service life. 2. Superior performance: The steel shell can absorb the roundness tolerance used to install the bottom ports of the bracket. 3. Powerful functions: The integrated system can protect the frame and output more power, which is better than the bottom bracket of ordinary structure. 4. Application: Applicable to 80/100mm frame shell. 5. Precautions: For safety, please use BB tool to install and replace the bottom bracket. 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