Bikes / NS Bikes / Define
NS Bikes Define 2025 Geometry, Reviews, and Specs
NS Define AL 155 2 2025 | Bikes.FanFit and steering
Aggressive fitSlow steeringFast steeringRelaxed fit NS Bikes Define 2025 Sizing Guide
NS Bikes Define 2025 Geometry Chart
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Dropper | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|
| S | 616 mm | 436 mm | 1.41:1 | 50 mm | 800 mm | 175 mm | 190 mm | 64.5° | 77.0° | 435 mm | 1208 mm | 28 mm | 29" |
| M | 626 mm | 461 mm | 1.36:1 | 50 mm | 800 mm | 175 mm | 190 mm | 64.5° | 77.0° | 435 mm | 1235 mm | 28 mm | 29" |
| L | 636 mm | 486 mm | 1.31:1 | 50 mm | 800 mm | 175 mm | 190 mm | 64.5° | 77.0° | 435 mm | 1262 mm | 28 mm | 29" |
| XL | 650 mm | 511 mm | 1.27:1 | 50 mm | 800 mm | 175 mm | 190 mm | 64.5° | 77.0° | 435 mm | 1292 mm |
2025 colorways
This year's studio shot is NS Define AL 155 2 2025 | Bikes.Fan.
- We do not have a full OEM palette to diff against 2024 yet.
What changed in the bike frame
Same published geometry as 2024.
- Published geometry matches the 2024 NS Bikes Define. Same sizes, same stack and reach.
What changed in equipment
No verified spec sheet for 2025 or 2024.
What changed in price
No launch MSRP in the catalog yet.
Compare 2025 and 2024 NS Bikes Define side by side
