Product description
After heat treatment, the high-quality aluminum alloy 6061 has higher strength and higher precision tooth profile hardness than ordinary ones.
Straight tooth shape, tight bite, not easy to slip teeth.
Grinding and polishing, precision wire cutting, no damage to the central axis.
Size: BB44: 206*50*3mm; BB44+46: 230*60*3mm
Weight: BB44 about 40g; BB44+46 about 46g
For BB44 (common wrench model)
1. For Shimano: BB51/BB52/BB70/BB71/RS500/MT500, etc
2. SRAM GXP series central shaft
3. Prowheel sameng series central shaft
For BB46: special spanner Compatible with SRAM dub thread middle axis, new SRAM quick coupling special spanner for dub thread middle axis
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
1 X Bottom Bracket Wrench