This is SRAM’s Eagle 70 T-Type crankset—a durable, Transmission-ready crank built for modern trail, enduro, and e-MTB platforms. It pairs forged aluminum crankarms with a stamped steel T-Type chainring, delivering a strong, affordable entry into SRAM’s Transmission ecosystem. Key Functional Details 175mm crank arms with included 32T T-Type chainring Forged aluminum crankarms Stamped steel T-Type direct-mount chainring 3-bolt T-Type chainring interface DUB Wide spindle for 55mm chainline Compatible with optional T-Type bashguards (shared with Eagle 90 / GX / X0) Designed for SRAM Transmission drivetrains 1x12 drivetrain application Black finish Compatibility & Technical Notes Compatible ONLY with SRAM T-Type / Transmission systems Requires UDH-compatible frame DUB bottom bracket required (sold separately) 3-bolt T-Type chainrings only Designed around 55mm chainline (DUB Wide) NOT compatible with legacy Eagle chainrings or non-T-Type chains NOT compatible with Shimano drivetrains Crank length fixed at 175mm for this configuration Service / Ownership Context This crankset is built for high-torque riding and pairs directly with SRAM Transmission components. Proper bottom bracket spacing and torque are critical for quiet operation and long service life. Fit & Use Signals Good Fit: SRAM Transmission trail, enduro, and e-MTB bikes using DUB Wide and UDH frames. Not A Fit: Non-UDH frames, legacy Eagle systems, Shimano drivetrains, or riders wanting traditional 3-bolt MTB chainrings. Transmission crank. Not normal Eagle. Biggest customer mistake: thinking this works with old GX or X01 Eagle. It doesn’t. Needs T-Type chainring and T-Type chain. Stamped steel ring is tough but heavier than GX/X0. That’s the tradeoff for price. DUB Wide = 55mm chainline. Frame spacing matters. Needs correct BB spacers or it’ll creak. Bashguards are shared across Eagle 70/90/GX/X0 T-Type, which is nice for replacements. These hold up well on e-bikes. Steel ring lasts longer than alloy for motor torque. Common complaints: weight and appearance vs higher-end cranks. Functionally they’re solid. Failure points usually come from install: wrong spacers, under-torqued preload, or dry spindle. Who this is really for: riders on Transmission bikes who want durability without paying GX/X0 prices. Who should avoid: anyone not on T-Type or anyone trying to mix drivetrain generations. Mechanic advice: confirm UDH frame, install DUB BB properly, grease spindle lightly, torque preload correctly. Tell riders chains wear first—replace early to protect the ring.
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