Wolf Tooth Components 104 BCD Chainring

Item number: 63937
from 54.20€

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Wolf Tooth Components 104 BCD Chainring - black/30 tooth
Wolf Tooth Components 104 BCD Chainring - black/30 tooth
  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.87 / 5.00
The 104 BCD chainring was Wolf Tooth's first product ever and it is the most common bolt pattern on double and triple cranksets. Wolf Tooth's patented Drop-Stop tooth design is the best available anywhere.


Application: Cross Country, All Mountain, Trail
Mount: 104 mm bolt circle diameter, 4-arm
Teeth: 30 t, 32 t, 34 t, 36 t, 38 t
Gearing: 1x9-speed, 1x10-speed, ,1x11-speed, 1x12-speed

Technical Information:

Material: aluminium (7075-T6)


- all 10-speed, 11-speed, 12-speed chain except Shimano 12-speed
- for 9-speed drivetrains, a 10-speed chain is recommended
- 30 t is compatible with QUARQ


- Wolf Tooth wide/narrow tooth profile
- design and manufactured in Minneapolis, MN (USA)

Notes: 30 tooth rings require chainring bolts that are 10 mm long. All other sizes require single ring specific bolts that are 6 mm long.
Use of a clutch-type rear derailleur is recommended. If you plan to ride in very muddy conditions, Wolf Tooth recommends a chainguide or chainkeeper in addition to a clutch-type rear derailleur.


Wolf Tooth has put countless hours into designing, prototyping, and testing to come up with their innovative new tooth profile. Test riders all over the world have confirmed that this design provides unparalleled performance. Here are the details of WHY it works: Notice that right side of the tooth has a very different shape than the left side. The right side of the tooth transmits force to the chain and the left side provides clearance for mud and debris. Since they have completely different functions it makes sense that they are designed differently. Extra strength where you need it, less material where you don't.
Notice that the right side of the tooth is as wide as Wolf Tooth can make it to maximize amount of area in contact. More area in contact means the load is spread over a larger area which in turn minimizes wear on the tooth. The left side of the tooth helps to guide the chain as it meshes with the chainring but it does not have to transmit any load. The left side of the tooth is narrower than the roller pin on the chain. Wear is not a concern on this side of the tooth so Wolf Tooth removed extra material to create a channel for mud to flow away. More clearance means less friction and less chance of mud causing a dropped chain.

Manufacturer Part Numbers:

30 tooth: 10430
32 tooth: 10432
34 tooth: 10434
36 tooth: 10436
38 tooth: 10438


- 1 x Wolf Tooth Components 104 BCD chainring


  • black/30 tooth: 36 g
  • black/32 tooth: 47 g
  • black/34 tooth: 56 g
  • black/36 tooth: 60 g
  • black/38 tooth: 66 g


in stock 2 to 7 days up to 10 days up to 20 days inform me
  • black/30 tooth
  • black/32 tooth
  • black/34 tooth
  • black/36 tooth
  • black/38 tooth

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