1. Material: aluminum alloy
2. Applicable models: mountain bikes, road bikes, folding bikes
3. Angle: plus or minus 7 degrees / plus or minus 17 degrees
4. Easy installation and easy disassembly
5. Sturdy and durable, long service life
6. Diameter: 31.8x28.6mm
7. Length: 60/70/80/90mm
8. Weight: 94.5-128.7 grams (the weight is slightly different for different lengths)
