NoQ round ring to pair with either 74BCD or 60BCD inner ring.  Only one ring supplied.

Round Sprocket for REX 1.2 / 2.2 / 3.2 cranks CNC machined chainrings 2-fold, suitable graded for mountain bikes. Designed for optimum rigidity and perfect shifting performance by newly developed switching profiles and shift ramps. Made from high quality 7075 T6 aluminum for optimum rigidity. The anodized surface ensures a long life and beautiful appearance. 

specifications:

Uses: MTB 

Material: 7075 T6 aluminum 

Spider :5-Arm 

Hole circle: 110 mm 

Mounting: Outer 

Number of teeth: 42 

Color: black  

weight: 55 g