5Dev 7075 Oval Chainring Be Sure To Ride Your Oval Chainring When it comes to your pedaling power, one way to increase it is to use an oval chainring. Oval Chainrings put down maximum power at the peak of your pedal stroke. This allows you to blast up and over technical terrain. The 5Dev 7075 Oval Chainring is made of 7075 aluminum and comes in either a 12% or 6% ovality. It is compatible with SRAM 3-bolt direct mount cranks and fits both SRAM and Shimano 12-speed chains. Features7075 aluminum that is lightweight and highly durable Available in either 12% or 6% ovality Compatible with SRAM 3-bolt direct mount systems Fits SRAM and Shimano 12-speed chains SPECIFICATIONSDrive Train Speed12-Speed Tooth Count30T, 32TMaterial7075 Aluminum Direct Mount Type SRAM 3-Bolt Direct Mount Chainline-Offset3mm Intended Use MTBWeight58g Chainline/Chainring Offset Guidelines Rear Spacing135mm / 142mm148mm Boost Super Boost 150mm / 157mm Fat Bike (170mm, 190mm, 200mm)Chainline48 - 50mm51 - 53mm54 - 56mm56mm+Chainring Offset~6mm~3mm~0mm~+2mm | 5Dev | 7075 Oval Chainring | Kash | 32T, 3-Bolt , 3Mm Offset | Aluminum