Trek proprietary suspension hardware.
Genuine Replacement Parts Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most. Product details Dropout hardware for most ABP equipped Trek models starting in 2020 Compatible with 148x12mm suspension frames Aluminum washers are not needed when used with aluminum seatstays Derailleur hanger and bearings are available separately
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