to7motor
New Member
- Region
- Asia
Hi everyone,
Trek bikes (especially the Marlin, FX, and Dual Sport series) are some of the most popular platforms for DIY e-bike conversions. However, navigating Trek’s bottom bracket standards and traditional BSA shells can cause major headaches when trying to line up a mid-drive motor.
We have put together a complete conversion guide specifically for Trek owners looking to install a DM01 or DM02 mid-drive.
The guide covers:
We want this to be a living document for the DIY community. If you’ve recently converted a Trek model that isn't listed, or found a specific spacer combination that worked perfectly for your build, drop a comment below so we can add it to the database.
Trek bikes (especially the Marlin, FX, and Dual Sport series) are some of the most popular platforms for DIY e-bike conversions. However, navigating Trek’s bottom bracket standards and traditional BSA shells can cause major headaches when trying to line up a mid-drive motor.
We have put together a complete conversion guide specifically for Trek owners looking to install a DM01 or DM02 mid-drive.
The guide covers:
- Frame Compatibility: Breakdown by popular models (Marlin, FX, Dual Sport, Roscoe, etc.).
- Bottom Bracket Identification: Exact adapter and spacer requirements for Trek’s BSA, PF92, and BB90 shells.
- Motor Clearance & Chainline: How to handle curved downtubes and achieve the perfect chainline (especially on Trek mountain bikes with Boost spacing).
- Installation: Sensor alignment, wiring routing, and critical torque specs.
We want this to be a living document for the DIY community. If you’ve recently converted a Trek model that isn't listed, or found a specific spacer combination that worked perfectly for your build, drop a comment below so we can add it to the database.
