PROWHEEL 104BCD 175mm 170mm crank 30-52T sprocket and chassis mountain bike crank

Feature:

• Slope discharge design to prevent sediment accumulation
• The anode will generate an oxide film on the surface of the aluminum, which can effectively protect the aluminum alloy body. The anti-corrosion and anti-rust anode treatment will not fade after long-term use!
• The thickness of each positive and negative tooth is CNC processed, which can work seamlessly with the inner and outer links of the chain to suit your riding.

Specification:

• Brand:Prowheel
• Material: aluminum alloy
• Specification: BCD 104mm
• Color: Black
• Chain crank weight: about 790g
• Bottom axis weight: 92g
• Crank: 170mm/175mm
• Sprocket: 30T/32T/34T/36T/38/40/42/44/46/48/50/52T
• Note: 30T sprocket is 7075 aluminum.