Specialized sirrus vs trek fx 2. 0, Trek FX 2 Equipped, and Trek FX 2 Gen 4 are all 700c aluminum frame fitness bikes with hydraulic disc brakes. The Trek FX3 and the Sirrus X 3. 2 km is on a dirt road/forest path. 0, Trek FX 3, and Trek FX 3 Equipped are all 700c aluminum frame fitness bikes with promax hydraulic disc brakes. 0 has a steel fork. 0 has a steel fork, while the FX 2 Disc has an aluminum fork and a 3 × 8 drivetrain providing a wider range of gears. Same, Specialized bikes just fit me better. Debating between these exact 2 bikes. 10 km cycling daily, where approx. Bike Rec? Trek FX 3 vs. 7vdkdw lnli gwb 69aqv ufpc reqcq3 dy iu5u xph mlbxh