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Free WT-1 With Chainring Purchase

Add any chainring and a .5 fl oz bottle of WT-1 to your cart, then enter code 'WT1LastsLonger' at checkout to get your free WT-1 Chain Lube.

Promotion Expires 12-31-2024

SHOP CHAIN LUBE

This is a 96mm BCD chainring for a 1X chainring for XTR M9000 crankset with the proven chain retention of our Drop-Stop® chainring. They fit only the Shimano XTR M9000 and M9020 cranksets (race and trail respectively). They have an asymmetrical 96 mm BCD with built-in threaded standoffs to provide the ideal 1X chainline.

  • Fits 96 BCD XTR M9000 and M9020 cranksets

  • Drop-Stop technology. 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 which reduces friction.

  • Alternating wide/narrow tooth pattern prevents chain derailment

Compatibility

  • These rings fit on the Shimano XTR M9000 and M9020 1x or 2x cranksets
  • Use only the stock Shimano XTR chainring bolts (M7x.75)
  • You will not use the stock bolt caps when mounting this ring.  The stock bolts will thread into the chainring’s standoffs from the outside of the crankset
  • For 1x9, 1x10, 1x11 and 1x12 drivetrains (including SRAM Eagle)

    • If using a 9-speed drivetrain use a 10-speed chain (shifts and works well on a 9-speed drivetrain and fits the ring tighter for better chain retention)
  • Chainline - 49 mm for 30-34T and 50 mm for 36T.  Provides a great chainline on most boost bikes

Recommendations

  • If you plan to ride in very muddy conditions, we recommend a chainguide or chainkeeper in addition to a clutch-type rear derailleur. Without these precautions, you may experience chaindrops and/or chainsuck.

Related Products

Chainring bolts 

Tech Specs

Weight:  32t • 50g | 34t •59g | 36t • 69g
Material: 7075-T6 aluminum
Made in the USA 

Patent and trademark information


Wolf Tooth is committed to provide the most precision components possible and has three different tooth profiles for optimal performance based on your chain type.


Tooth Profile

Tooth Profile

Drop-Stop® B

Drop-Stop® A

Drop-Stop® ST

Chain Compatibility

Chain Compatibility

All 9s, 10s, and 11s Chains

12s Chains:

  • Connex
  • Wipperman
  • Campagnolo
  • SRAM Eagle
  • SRAM Road and Transmission (T-type) Flattop chains

Not compatible with 12s Shimano HG+, 12s KMC, or 13s Campagnolo chains

All 9s, 10s, and 11s Chains

12s Chains:

  • SRAM® Eagle
  • Connex
  • Wippermann

You can use Drop-Stop B when Drop-Stop A is not available*

Not compatible with 12s SRAM Transmission (T-Type) and Road Flattop, 12s Shimano HG+, 12s KMC, 12s Campagnolo, or 13s Campagnolo chains

12s Chains:

  • Shimano HG+
  • 12s KMC

Not compatible with all other chains

Details

Details


Tooth shape is nearly identical to Drop-Stop A, but has narrower teeth. Valley between teeth is deeper to accommodate larger rollers on Flattop chain. Outside faces of narrow and wide teeth touch chain to guide alignment.


Drop-Stop B Chainrings navigate_next

The original Drop-Stop tooth profile. The wide teeth are wider than Drop-Stop B. Outside faces of narrow and wide teeth guide chain alignment.


Drop-Stop A Chainrings navigate_next

Narrower teeth than Drop-Stop A. Wide teeth use Symmetric Trapezoidal (ST) profile to match extended inner edge on chain to create alignment (outside faces of wide teeth do not touch). Interaction of narrow teeth and chain are similar to Drop-Stop A and B.


Drop-Stop ST Chainrings navigate_next

*We are in the process of migrating most Drop-Stop A to Drop-Stop B to make them compatible with  SRAM Road and Transmission (T-type) Flattop chains.

WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.