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 |
No colorway catalog for 2027 yet.
Same published geometry as 2026.
These are the verified 2027 builds. No 2026 sheet to compare.
No launch MSRP in the catalog yet.
| Component | Brand | Model | Size |
|---|---|---|---|
| Shifters | Shimano | ST-R7120 105 HRD | 2×12 |
| Front derailleur | Shimano | FD-R7100 105 | braze-on |
| Rear derailleur | Shimano | RD-R7100 105 | 12-speed |
| Crankset | Shimano | FC-R7100 105 | 50/34
|
| Cassette | Shimano | CS-R7100 105 | 11-34, 12-speed |
| Chain | Shimano | CN-M7100 SLX | 12-speed |
| Power meter | — | None | — |
| Brakes | Shimano | BR-R7170 105 | hydraulic disc |
| Rotors | Shimano | SM-RT70 | 160mm centerlock |
| Stem | Bontrager | Comp, alloy |
| Handlebar | Bontrager | Comp, alloy |
|
|---|
| Wheels | Bontrager | Paradigm, alloy | 700c |
|---|
| Tires | Bontrager | R1 Hard-Case Lite, 700x28mm | — |
|---|
| Component | Brand | Model | Size |
|---|---|---|---|
| Shifters | Shimano | ST-R7170 105 Di2 HRD | 2×12 |
| Front derailleur | Shimano | FD-R7150 105 Di2 | braze-on |
| Rear derailleur | Shimano | RD-R7150 105 Di2 | 12-speed |
| Crankset | Shimano | FC-R7100 105 | 52/36
|
| Cassette | Shimano | CS-R7100 105 | 11-34, 12-speed |
| Chain | Shimano | CN-M7100 SLX | 12-speed |
| Power meter | — | None | — |
| Brakes | Shimano | BR-R7170 105 | hydraulic disc |
| Rotors | Shimano | SM-RT70 | 160mm centerlock |
| Bottom bracket | Shimano | BSA threaded | — |
| Stem | Bontrager | Elite, alloy |
|
| Handlebar | Bontrager | Elite, alloy |
|
| Wheels | Bontrager | Aeolus Elite 50, OCLV Carbon | 700c |
| Tires | Pirelli | P Zero Race, 700x28mm | — |
| Component | Brand | Model | Size |
|---|---|---|---|
| Shifters | Shimano | ST-R8170 Ultegra Di2 HRD | 2×12 |
| Front derailleur | Shimano | FD-R8150 Ultegra Di2 | braze-on |
| Rear derailleur | Shimano | RD-R8150 Ultegra Di2 | 12-speed |
| Crankset | Shimano | FC-R8100 Ultegra | 52/36
|
| Cassette | Shimano | CS-R8100 Ultegra | 11-30, 12-speed |
| Chain | Shimano | CN-M8100 Ultegra | 12-speed |
| Power meter | — | None | — |
| Brakes | Shimano | BR-R8170 Ultegra | hydraulic disc |
| Rotors | Shimano | SM-RT800 | 160mm / 140mm centerlock |
| Stem | Bontrager | Aero Pro, OCLV Carbon |
|
| Handlebar | Bontrager | Aero Pro, OCLV Carbon |
|
| Wheels | Bontrager | Aeolus Pro 51, OCLV Carbon | 700c |
| Tires | Pirelli | P Zero Race, 700x28mm | — |
| Component | Brand | Model | Size |
|---|---|---|---|
| Shifters | SRAM | Force AXS E1 HRD | 2×12 |
| Front derailleur | SRAM | Force AXS E1 | braze-on |
| Rear derailleur | SRAM | Force AXS E1 | 12-speed |
| Crankset | SRAM | Force E1 | 48/35
|
| Cassette | SRAM | XG-1270 E1 | 10-33, 12-speed |
| Chain | SRAM | Force E1 Flattop | 12-speed |
| Power meter | — | None | — |
| Brakes | SRAM | Force AXS E1 HRD | hydraulic disc |
| Rotors | SRAM | Paceline X | 160mm centerlock |
| Bottom bracket | SRAM | DUB T47 | internal bearing |
| Cockpit | Trek | Aero RSL Road integrated bar/stem |
|
| Wheels | Bontrager | Aeolus Pro 51, OCLV Carbon | 700c |
| Tires | Pirelli | P Zero Race, 700x28mm | — |
| Component | Brand | Model | Size |
|---|---|---|---|
| Shifters | SRAM | RED AXS E1 HRD | 2×12 |
| Front derailleur | SRAM | RED AXS E1 | braze-on |
| Rear derailleur | SRAM | RED AXS E1 | 36T max |
| Crankset | SRAM | RED AXS E1 with power meter | 48/35
|
| Cassette | SRAM | XG-1290 E1 | 10-33, 12-speed |
| Chain | SRAM | RED E1 Flattop | 12-speed |
| Power meter | SRAM | RED AXS E1 | spindle |
| Brakes | SRAM | RED AXS E1 HRD | hydraulic disc |
| Rotors | SRAM | Paceline X | 160mm centerlock |
| Bottom bracket | SRAM | DUB T47 | internal bearing |
| Cockpit | Trek | Aero RSL Road integrated bar/stem |
|
| Wheels | Bontrager | Aeolus RSL 51, OCLV Carbon | 700c |
| Tires | Pirelli | P Zero Race, 700x28mm | — |
