ROTOR's one piece Spidering combines a 46t outer and 30t inner chainring that directly mounts onto any of ROTOR's 30mm axle power meter and normal crank sets, and offer ideal wide compact gear range for gravel and cyclocross bikes.  

Sizes: 
46/30t Direct mount 

Characteristics:

• - 145g total weight
• - 100% CNC-machined, 7075-T6 aluminum alloy
• - 43.5mm Chainline
• - Compatible with all ROTOR 30mm axle cranks and Power Meters
• - Compatible with 10 and 11spd drive trains