The direct mount chainrings for SRAM cranksets replace your existing spider and chainring with one clean looking, lightweight, and stiff piece of machined billet.
Compatibility
These direct mount chainrings will replace your existing chainring and spider or replace the direct mount ring on SRAM cranksets including the DUB cranks. The ring is attached via 3 bolts on the back side of the spider near the spindle. Note that the SRAM 12spd Red and Force AXS use a different 8 bolt mounting interface that is not compatible with these chainrings.
There are 3 offsets:
Standard Road/CX/Gravel: 6mm offset for cyclocross and road crank applications with 47mm chainline
Standard MTB: 6mm offset for non-Boost mountain bikes, GXP and long spindle BB30 cranks for 49mm chainline
Boost: 3mm offset for 52mm chainline
BB30: 0mm offset for BB30 short spindle cranks for 49mm chainline
Fat bikes: If your fat bike has a 170/177 rear hub spacing, use the standard 6mm offset
Praxis Works Road/CX cranks use the 6mm offset. Praxis Works mountain cranks use the 3mm offset for their DM-A and 0mm offset for their DM-B chainrings.
Specifications
Weights | 90g (38t) 106g (40t) 111g (42t) |
---|---|
Material | 7075-T6 aluminum |
Application | Optimised for MTB Drivetrains |
Tooth Profile | Drop-Stop B |
Chain Compatibility | Drop Stop B is for use with 9, 10, 11spd chains, Campagnolo, KMC & 12spd Eagle and Flattop AXS Chains |
Not Compatible | 12spd Shimano HG+, or 12spd Campy |
SRAM Direct Mount Crankset | Offset/Chainline | |||||
Standard Offset 135 QR or 142 Thru Axle | Boost Offset 148 Thru Axle | Super Boost Plus Offset 157 Thru Axle | Fat 170 QR or 177 Thru Axle | Fat 190 QR or 197 Thru Axle | ||
Road Crank | 6mm/45.5 or 47.5mm | x | x | x | x | |
Mountain Crank | GXP 24mm spindle | 6mm/49mm | 3mm/52mm | 0mm/55mm | 6mm/66.5mm | +4mm/76.5mm (CAMO only) |
BB30 Long Spindle | 6mm/49mm | 3mm/52mm | 0mm/55mm | x | x | |
DUB | 6mm/49mm | 3mm/52mm | 0mm/55mm | 6mm/66.5mm | +4mm/76.5mm (CAMO only) | |
BB30 Short Spindle | 0mm/49mm | x | x | x | x | |
DUB Super Boost Plus | x | 6mm/53.5mm | 3mm/56.5mm | x | x |