The Wolf Tooth 107 BCD Chainring for SRAM Cranks is compatible with most new SRAM 1x road cranks that use the 107 BCD spider, including the SRAM AXS Power Meter Spider. This chainring uses the patented Wolf Tooth Drop-Stop B Wide/Narrow tooth profile that is optimized for drop bar bikes.
Fits 107 BCD for SRAM Cranks
Drop-Stop technology prevents dropped chains. On Wolf Tooth’s patented wide/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris while reducing friction.
Cranks that use the 107 BCD spider also use the SRAM 8-bolt interface, which is compatible with Wolf Tooth Direct Mount Chainrings for SRAM 8-Bolt
- Fits 107 BCD spiders.
- Chainline is determined by the crank model. See manufacturer specs for chainline.
|FORCE 1 AXS POWER METER||PM-FRC-1-D1|
|FORCE AXS POWER METER||PM-FRC-D1|
|FORCE 1 CRANKSET||FC-FRC-1-D1|
|RIVAL AXS POWER METER||PM-RIV-D1|
|RED AXS POWER METER||PM-RED-D1|
|RED 1 AXS POWER METER||PM-RED-1-D1|
|FORCE 1 WIDE CRANKSET||FC-FRC-1W-D1|
|FORCE 43/30 WIDE CRANKSET||FC-FRC-W-D1|
|RIVAL AXS 43/30 WIDE POWER METER||PM-RIV-W-D1|
|RIVAL 1 AXS WIDE POWER METER||PM-RIV-1W-D1|
|RIVAL 43/30 WIDE CRANKSET||FC-RIV-W-D1|
|RIVAL 1 WIDE CRANKSET||FC-RIV-1W-D1|
More power? Check. Better traction? Definitely. Less shifting? Yup. Funky uneven pedal stroke? Not with Wolf Tooth’s PowerTrac Elliptical™ (PTE) chainrings. Our proprietary design means a slightly less ovalized ring (10%) with less aggressive timing (112°) than competitors’ versions; any change to your pedal stroke is unnoticeable for most riders, but they still provide the POWER and TRACTION benefits inherent to oval chainrings.
It’s like having two chainrings in one! With PowerTrac Elliptical rings, the larger-diameter section of the ring engages with the chain at the optimal point on the downstroke, or “Power Zone,” – between 1-5 and 7-11 on a clock face – to take advantage of your body’s natural biomechanical POWER: For example, during this section, a PTE 34t ring is equivalent to a 36t round ring. Similarly in the “Recovery Zone” (11-1 and 5-7), the smaller section on the PTE ring engages, maximizing EFFICIENCY in the weakest part of the pedal stroke; here the PTE 34t ring is equivalent to a 32t round ring.
Additionally, the above provides a smoother, more efficient pedal rotation, which means better TRACTION. Steadier torque on the rear wheel means less spinning out in the “Power Zone,” while pedaling is easier during the “Recovery Zone,” so you maintain momentum.
Use Drop-Stop B for all 9, 10, and 11spd chains or 12spd SRAM Eagle, SRAM Flattop, Campagnolo, KMC, Connex or Wippermann chains
- If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper (like our GnarWolf) in addition to a clutch-type rear derailleur. Without these precautions, you may experience chaindrops and/or chainsuck.
- Recommend the use of a clutch-style rear derailleur for the best chain security.
Elliptical Direct Mount Chainring for SRAM 8-Bolt cranks
Set of Four Chainring Bolts+Nuts for 1x Chainrings
107 BCD Round Chainring for SRAM
WT-1 Chain Lube
Material: 7075-T6 aluminum
Weight: 38t • 75g | 40t • 78g | 42t • 86g
Made in the USA