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Our Oval design has 3 main benefits; traction, traction and more traction. Forget any of the power gain claims that you've heard from the road side of the sport. For mountain, oval rings provide a more constant torque to the rear wheel thereby reducing spinouts and stalls on tough climbs.
*Shims - Included with rings. For 2x crank conversions; shims between the crank and ring get you back to an ideal 49-50mm chainline. For 3x crank conversions; shims under the bolt heads allow reuse of your 3x hardware.
Material: 7075-T6 Aluminum
Weight: 42g (30T), 50g (32T)
Compatibility: 9, 10, 11 and 12 Speed SRAM Chains. (not compatible with 12 Speed XTR Chains)
All symmetrical 4 arm 94 mm BCD cranks (SRAM XO1, X1, GX), all symmetrical 4 arm 96 mm BCD cranks (Shimano compact triple M782, M672, M622, M612) * note 30T is only compatible with 94 mm SRAM BCD cranks.
SRAM chainrings usually have the BCD laser etched on the back of the ring
If your Shimano 3x crank has a 30T middle ring this is the 1x ring you need. Shimano crank part numbers are usually laser etched on the pedal end of the crank on the back face.
Installation: Align the small bump (small hole on direct mount rings) on the inner edge of the ring with your crank arm