Shimano Sm-cr80 Dxr 41t 104bcd For Fc-mx71

The Shimano SM-CR80 chainring is designed specifically for DXR or Saint cranks but it will work with any crank that has a 104 BCD (bolt circle diameter). It is optimized for the rigors of both Olympic BMX racing and professionally downhill racing, so stiffness is maximized for instantaneous response under extreme pedaling pressure.

• Compatible with 9-speed chain
• 4 bolt, 104 BCD
• Shimano Reference Number: SM-CR80