FIT Series One v4 Complete Bike 20.75"
Incl. VAT plus shipping
- Our store in Cologne: Eigelstein 76
The Series One was FIT's first frame when the brand started back in 2000 – and it is still their most popular bike. For 2026 it gets a CNC-machined integrated head tube and a fully sealed front hub, and the lightened S1 frame and fork come in 3 top tube sizes with matching bar and crank sizes. This version: 20.75" top tube, 9" rise bar, 170 mm cranks.
Features
- 20.75" top tube
- CNC-machined integrated head tube with gyro holes
- Sealed front hub and sealed cassette rear hub
- Sealed Mid BB, FIT Key 25T sprocket
Specifications
- Top tube length: 20.75"
- Rear end length: 13.11"
- Head tube angle: 75.5°
- Seat tube angle: 71°
- BB height: 11.8"
- Standover height: 8.8"
- Frame: Chromoly top, seat and down tube
- Fork: Chromoly Steerer Tube, 33 mm Offset
- Handlebar: 9" rise, 29" width, 2-piece
- Stem: FIT Forged Top Load, 50 mm reach
- Headset: Integrated with Gyro Holes
- Brake mounts: Welded
- Rear brake: U-Brake with low tension springs
- Brake lever: 2-finger
- Brake cable: Linear
- Gearing: 25/9 RHD
- Cranks: Tubular Chromoly, 170 mm length, RHD
- Bottom bracket: Mid, sealed bearing
- Sprocket: Fit Key 25T
- Pedals: Fit PC
- Front hub: sealed, 10 mm axle
- Rear hub: Cassette, sealed bearings, 14 mm axle, RHD, 17 mm nuts
- Rims: FIT S1W, 36H, single wall, alloy
- Tires: FIT OEM 20" x 2.4"
- Seat: Seat/Post Combo
- Seat post: 220mm Seat/Post Combo, 25.4 mm diameter
- Seat clamp: alloy, 28.6 mm inner diameter
- Weight: 12.24 kg