Bikes / Mosaic / GT-1
Mosaic GT-1 2026 Geometry, Reviews, and Specs
GT-1 i45 Knockout Fade - MosaicFit and steering
Aggressive fitSlow steeringFast steeringRelaxed fit Mosaic GT-1 2026 Sizing Guide
Mosaic GT-1 2026 Geometry Chart
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|
| 51 | 554 mm | 372 mm | 1.49:1 | 90 mm | 400 mm | 170 mm | 70.5° | 74.0° | 428 mm | 1028 mm | 74 mm | 700c |
| 53 | 572 mm | 379 mm | 1.51:1 | 90 mm | 400 mm | 170 mm | 71.0° | 73.5° | 428 mm | 1038 mm | 74 mm | 700c |
| 55 | 590 mm | 386 mm | 1.53:1 | 100 mm | 420 mm | 172.5 mm | 71.5° | 73.5° | 428 mm | 1048 mm | 72 mm | 700c |
| 57 | 608 mm | 393 mm | 1.55:1 | 100 mm | 420 mm | 172.5 mm | 71.5° | 73.0° | 428 mm | 1060 mm | 72 mm | 700c |
| 59 | 626 mm |
2026 colorways
This year's studio shot is GT-1 i45 Knockout Fade - Mosaic.
- We do not have a full OEM palette to diff against 2025 yet.
What changed in the bike frame
Same published geometry as 2025.
- Published geometry matches the 2025 Mosaic GT-1. Same sizes, same stack and reach.
What changed in equipment
No verified spec sheet for 2026 or 2025.
What changed in price
No launch MSRP in the catalog yet.
Compare 2026 and 2025 Mosaic GT-1 side by side