Bikes / Mason / Definition
Mason Definition 2023 Geometry, Reviews, and Specs
Mason Definition 105 2023 | Bikes.FanFit and steering
Aggressive fitSlow steeringFast steeringRelaxed fit Mason Definition 2023 Sizing Guide
Mason Definition 2023 Geometry Chart
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|
| 48 | 530 mm | 367 mm | 1.44:1 | 80 mm | 380 mm | 165 mm | 71.0° | 74.5° | 422 mm | 998 mm | 74 mm | 700c |
| 51 | 548 mm | 373 mm | 1.47:1 | 90 mm | 400 mm | 170 mm | 71.5° | 74.0° | 422 mm | 1006 mm | 74 mm | 700c |
| 54 | 566 mm | 379 mm | 1.49:1 | 100 mm | 420 mm | 172.5 mm | 72.0° | 73.5° | 422 mm | 1014 mm | 72 mm | 700c |
| 56 | 584 mm | 385 mm | 1.52:1 | 100 mm | 420 mm | 172.5 mm | 72.5° | 73.0° | 422 mm | 1024 mm | 72 mm | 700c |
| 58 | 602 mm |
2023 colorways
This year's studio shot is Mason Definition 105 2023 | Bikes.Fan.
- We do not have a full OEM palette to diff against 2022 yet.
What changed in the bike frame
Same published geometry as 2022.
- Published geometry matches the 2022 Mason Definition. Same sizes, same stack and reach.
What changed in equipment
No verified spec sheet for 2023 or 2022.
What changed in price
No launch MSRP in the catalog yet.
Compare 2023 and 2022 Mason Definition side by side