1. Our handlebar diameter is 31.8mm, please use the 31.8 caliber stem.
2. Do not use 31.8 aluminum alloy stem with our handlebar, the wrong stem will cause the handlebar to rupture.
1. Please check whether your product accessories are complete.
2. When assembling, please make sure that the width of the stem head is within 45mm, and the handlebar diameter is 31.8mm. The width of the center must be confirmed to be able to lock the product properly, and manually install it with hexagonal wrench.
3. When installing the brake, please use the torque reasonably and install it manually.
4. Please go to a standard bicycle shop for assembly and maintenance.
5. The end of the handlebar can be cut in a regular bicycle shop in order to meet personal preference. Before cutting, please remove the handlebar, tightly wrap tape on both sides of the handlebar cutting line, and use the smallest blade saw to cut the fixed position. After cutting, use 400 grit sandpaper to smooth it.