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Wolf Tooth’s New Trainer Supporting Thru Axle

[Press Release] – When developing the new Rear Axle, Wolf Tooth engineers knew that they wouldn’t be able to get away with any old factory replacement part, even if it was made in Minnesota to aerospace standards.

Knowing the pain of damaging their prized frames, they added end caps that would take the brunt of rock scrapes and crashes. And because to look good is to feel good, they decided to offer Axle Caps in eight anodized colors. Caps thread into a dedicated recess in the axle head and are easily replaceable or swappable with an 8mm hex key.

Because cold weather and short days are never far from a Minnesotan’s mind, they also created Trainer Caps to reduce barriers to winter workouts. Non-drive side Axle Caps are joined by drive-side plugs that can be installed or removed with ease to make the prospect of hopping on the trainer a little more bearable.

As for the axles themselves, Wolf Tooth Rear Axles feature a captive steel washer under the head to reduce friction and prevent damage to the dropout face. This serves to protect the frame, transfer more of the tightening torque to clamping load for a stiffer frame to wheel connection, and prevents the axle from sticking or galling during removal.

Rear axles, Axle Caps, and Trainer Caps are machined in Wolf Tooth’s Minneapolis facility.


Wolf Tooth Rear Axle
  • Materials:
    • 6061-T6 aluminum
    • Stainless steel washer
  • Tool interface: 6mm hex key
  • Quick release: No
  • Color: Black
Length       Diameter      Thread Pitch       Weight

167mm         12mm                1.0                   42g
172mm         12mm                1.5                   43g
173mm         12mm                1.0                   43g
174mm         12mm               1.75                  43g
178mm         12mm                1.5                   43g
180mm         12mm               1.75                   43g
187mm         12mm                1.5                    46g
192mm         12mm               1.75                   46g
198mm         12mm               1.75                   47g

  • Material: 6061-T6 aluminum
  • Tool interface: 8mm hex key
  • Colors:
    • Black
    • Red
    • Blue
    • Purple
    • Orange
    • Green
    • Gold
    • Silver
  • Weight: 4g

  • Material: 7075 T6 aluminum
  • Diameter: 12mm
  • Tool interface: Plug has O-ring retention and no tool is required. Axle Cap requires an 8mm hex key
  • Color: Silver
  • Weight: 12g

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