New and high quality.
Fine workmanship and perfect style.
Easy to install and durable in use.
Strict quality control standards to build and test.
High Wear-resistant and excellent durability.
Suitable for replacement of Bafang central BBS HD 1000W central motor crankset
Number of teeth: 42 teeth (positive tooth thickness 3.6mmx21/negative tooth thickness 1.9mmx21)
Maximum diameter: 175mm
Maximum height: 24.3mm
Tooth pitch: 12.7mm
Threaded hole diameter: 5.2mm
Inner hole diameter: 41.2mm
Surface treatment: sandblasting + anodizing
Surface roughness: about 120 mesh
Weight: 212g
Material:7075 aluminum alloy
colour:Black
Package contents:
1 x motor crankset
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.