SRAM T-Type Direct Mount Eagle - XXSL D1 Chainring Rugged Durability If you're looking for an ultra-durable chainring that won't drop your chain ever, then you're in the right place. The SRAM T-Type Direct Mount Eagle - XXSL D1 Chainring has rugged durability and is finished with a distinct, dual-spoke design so your shifting will never be compromised. It features an 8-bolt direct mount, +3mm offset, and is compatible with T-Type chains. Features Finished with a distinct, dual-spoke design so your shifting will never be compromised Rugged durability for confident riding Compatible with T-Type chains SPECIFICATIONSDrive Train Speed12-Speed Tooth Count30 - 34TMaterial Aluminum Direct Mount Type8-Bolt Direct Mount Chainline-Offset+3mm Offset Intended Use Mountain Weight N/AChainline/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 | Sram | T-Type Direct Mount Eagle - Xxsl D1 Chain Ring Cr T-Type Eagle 32T Dm 3Mm Blk Xxsl | Aluminum