The Wolf Tooth Shimano 104 BCD 12 Speed Chainring is specifically designed for use with Shimano XTR, XT, and SLX 12 speed Hyperglide+ chains.
This 12 speed chainring features Wolf Tooth's patented Drop-Stop narrow-wide tooth profile, which provides fantastic chain retention and durability on every ride. Another highlight is this model also prevents premature ring and chain wear that's normally associated with non-optimised tooth profiles. The result is a stronger and more dependable chainring with exceptional longevity.
104 BCD is the most common bolt pattern on double and triple cranksets and happens to be the first product ever made my Wolf Tooth Components. The Drop-Stop® tooth design is the best performing and longest lasting wide/narrow chainrings on the market.
Fits any 104 BCD crankset.
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.
Fits any 104 BCD crankset.
Compatible with Shimano 12-speed Hyperglide+ chains.
Chainring Bolts: All tooth sizes require 1x bolts that are 6mm long with exception to 30t rings which are threaded and require bolts that are 7-10mm long. Wolf Tooth carries both sizes in a variety of colours.
104 x 30T - use 10mm bolts.
104 x 32t, 34t, 36t, 38t use 6mm bolts.
If using a bashring you will need 8mm bolts (most stock bolts on 3x cranksets are 8mm).
104 BCD chainrings work on many older 2x Shimano crankset (XT, SLX, or Deore).
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