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Components & Drivetrain

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104 BCD DROP-STOP CHAINRING - SHIMANO HG+

 

DROP-STOP HG+ 
104 BCD

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FOR ULTIMATE CHAIN RETENTION AND MUD-SHEDDING ABILITY

104 BCD is the most common bolt pattern on double and triple cranksets and happens to be the first product ever made by Wolf Tooth Components. The Drop-Stop® tooth design is the best performing on the market.

   

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PRODUCT
DESCRIPTION

104 BCD DROP-STOP CHAINRING - SHIMANO HG+

104 BCD is the most common bolt pattern on double and triple cranksets and happens to be the first product ever made by Wolf Tooth Components. The Drop-Stop® tooth design is the best performing on the market, with exceptional durability. 

  • 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

  • Fits any 104 BCD crankset.
  • Designed to meet the requirements for E-bike use.
  • 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.
  • Chainring Bolt Requirements for Bashring: 104 x 30t - 10mm bolts are required for use with the bashring. Other 104 BCD sizes will need 8mm bolts - this is the stock size that comes on 3x cranksets holding the middle and big rings on. Wolf Tooth does not make these.
  • 32t 104 BCD chainrings work on many older 2x Shimano cranksets (XT, SLX, or Deore).
  • Drivetrains: 1x12 Shimano HG drivetrains only


DROP-STOP TECHNOLOGY

Wolf Tooth’s patented Drop-Stop® wide/narrow tooth profile delivers ultimate chain retention and mud shedding ability.

2023 Wolf Tooth Drop Stop explainer

RECOMMENDATIONS

  • We recommend the use of a clutch style rear derailleur for the best chain security.
  • 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.

 

2023 WOLF TOOTH CHAIN COMPATIBILITY LINK

SPECIFICATIONS

Weights: 30T • 36g | 32T • 47g | 34T • 56g | 36T • 60g | 38T • 66g
Material: 7075-T6 aluminum
Made in the USA


The Story

Wolf Tooth was founded to design and manufacture precision cycling products that emphasize function, performance, and reliability to meet the needs of our fellow racers and riders.

We are a group of cyclists in Minneapolis, Minnesota that spend a lot of time talking about bike components. Like most detail-obsessed riders, we're always looking for new products that could make our bikes lighter, faster, more versatile, or more reliable. We pride ourselves on delivering premium products of the highest quality.

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