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Genuine replacement parts

Keep your bike operating as it should.

Product details

  1. Adjustable arm length from 120mm to 140mm
  2. Hardware included

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Size 120mm/140mm, 32t
Length 120mm/140mm
Teeth 32t
Speed 7
BCD Not applicable
Offset Standard
Crank type Square-tapered
Threading 1/2"(13mm)
Material Aluminum
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

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