Loading geometry
Trek's TT/triathlon bike: extreme stack/reach, integrated storage, and a position that only makes sense in aero bars. Not a road-race twin.
Time trialists and triathletes. Compare to other TT bikes, not to Madone.
| Size | Stack | Reach | Stack/reach | Stem | Bar | Crank | Head tube angle | Seat tube angle | Chainstay | Wheelbase | BB drop | Wheel size |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | 480 mm | 390 mm | 1.23:1 | 90 mm | 400 mm | 170 mm | 72.0° | 78.0° | 400 mm | 975 mm | 70 mm | 700c |
| M | 500 mm | 405 mm | 1.23:1 | 100 mm | 420 mm | 172.5 mm | 72.5° | 78.0° | 400 mm | 990 mm | 70 mm | 700c |
| L | 520 mm | 420 mm | 1.24:1 | 110 mm | 440 mm | 175 mm | 73.0° | 78.0° | 400 mm | 1008 mm | 68 mm | 700c |
| XL | 545 mm | 435 mm | 1.25:1 | 110 mm | 440 mm | 175 mm | 73.0° | 78.0° | 400 mm | 1028 mm | 68 mm | 700c |
This year's studio shot is 2026 Speed Concept.
Same published geometry as 2025.
No verified spec sheet for 2026 or 2025.
No launch MSRP in the catalog yet.
