DolanTR1
Dolan's original carbon disc-brake triathlon bike, built from Toray T800 carbon with internal cable routing, 12 mm thru-axles and a multi-position seatpost. It comes with a frame hydration tank, a top-tube food box and a rear tool box, and is sold direct by Dolan as a configurable Shimano Di2 build.
- From
- £3,600£3,600£3,600
- Builds
- 3
- Sizes
- 4
- Frame weight
- —
Design sketch, generated from the manufacturer's photo
Our verdict
Overall
out of 100, average of 7 categories
A budget-friendly route into a carbon tri bike with hydration, food and tool storage built in and Di2 on every build. It is an older design with a press-fit bottom bracket, limited size availability and no published aero data.
Scored Oct 2026
- + Affordable way in
AI-drafted from the specs on this page and reviewed before publishing. Scores are relative to every bike in the catalog when they were given, so they drop as newer bikes and parts raise the bar.
- Aero
- 64/100
- Frame
- 62/100
- Components
- 62/100
- Hydration & storage
- 78/100
- Fit
- 62/100
- Practicality
- 70/100
- Price
- 92/100
Aero claims and front-end integration
Carbon grade, weight and warranty
Groupset, wheels and power meter
Hydration and storage in the frame
Sizes and adjustment range
Travel, standard parts, servicing
From the cheapest complete-bike MSRP
Bike duel
Frame & platform
Frame & fork
- Frame material
- Carbon (Toray T800)
- Fork material
- Carbon
- Frame sizes
- S, M, L, XL (only S and XL offered in October 2026)
- Colours
- Purple/Silver, Black/White (matt), raw carbon; custom colours at extra cost
Compatibility & standards
- Wheel size
- 700c
- Bottom bracket standard
- Press-fit (Shimano BB72 fitted to builds)
- Front axle
- 12 mm thru-axle
- Rear axle
- 12 mm thru-axle
- Drivetrain compatibility
- Electronic (Shimano Di2 and Campagnolo EPS compatible)
- Cable routing
- Fully internal
Hydration & storage
- Integrated hydration
- Yes
- Hydration details
- TR1 Hydration Tank plus a Profile Design aero bottle and cage (volumes not stated)
- Integrated storage
- Yes
- Storage details
- TR1 Top Box for food and a Rear Tool Box
- Top tube bento box
- Yes
Fit & adjustability
- Aerobar system
- Alpina carbon TT base bar with TR1 integrated stem and Alpina pads; AeroCoach Angles extensions with Align Wing armrests optional
- Seatpost type
- TR1 adjustable multi-position carbon seatpost
Travel, maintenance & warranty
- Frame warranty
- Lifetime warranty on Dolan frames and forks bought after 1 January 2024
- Sold via
- Direct from Dolan (online and showroom)
Photos
Design sketches
Builds & components
Highlighted rows differ between builds. Green marks the best value.
TR1 Shimano 105 R7170 Di2 | TR1 Shimano Ultegra R8170 Di2 | TR1 Shimano Dura-Ace R9250 Di2 | |
|---|---|---|---|
| Overview | |||
| Price (MSRP) | £3,600£3,600£3,600 | £3,900£3,900£3,900 | £4,800£4,800£4,800 |
| Type | Complete bike | Complete bike | Complete bike |
| Notes | Configurable build; listed price is the default spec with Mavic Ksyrium 30 Disc wheels. Frames listed in Purple/Silver, Black/White matt or raw carbon (sizes S and XL only in October 2026), or custom colours. | Configurable build; listed price is the default spec with Mavic Ksyrium 30 Disc wheels. Frames listed in Purple/Silver, Black/White matt or raw carbon (sizes S and XL only in October 2026), or custom colours. | Configurable build; listed price is the default spec with Mavic Ksyrium 30 Disc wheels. Frames listed in Purple/Silver, Black/White matt or raw carbon (sizes S and XL only in October 2026), or custom colours. |
| Drivetrain | |||
| Groupset | Shimano 105 Di2 R7100 | Shimano Ultegra Di2 R8100 | Shimano Dura-Ace Di2 R9200 |
| Launched | 2022 · current generation | 2021 · current generation | 2021 · current generation |
| Speeds | 12-speed | 12-speed | 12-speed |
| Electronic | Yes | Yes | Yes |
| Wireless | No | No | No |
| Drivetrain | 2x12 | 2x12 | 2x12 |
| Shifters | Shimano SW-R9160 Di2 remote triathlon shifter | Shimano SW-R9160 Di2 remote triathlon shifter | Shimano SW-R9160 Di2 remote triathlon shifter |
| Crankset | Shimano 105 R7100 | Shimano Ultegra R8100 | Shimano Dura-Ace R9200 |
| Chainrings | 50/34 or 52/36 | 50/34 or 52/36 | 50/34 or 52/36 |
| Crank lengths available | 165-175 mm | 165-175 mm | 170-175 mm |
| Bottom bracket | Shimano BB72 Press Fit | Shimano BB72 Press Fit | Shimano BB72 Press Fit |
| Standard | Press-fit (Shimano BB72) | Press-fit (Shimano BB72) | Press-fit (Shimano BB72) |
| Front derailleur | Shimano 105 Di2 R7150 | Shimano Ultegra Di2 R8150 | Shimano Dura-Ace Di2 R9250 |
| Rear derailleur | Shimano 105 Di2 R7150 | Shimano Ultegra Di2 R8150 | Shimano Dura-Ace Di2 R9250 |
| Cassette | Shimano 105 R7100 | Shimano Ultegra R8100 | Shimano Dura-Ace R9200 |
| Range | 11-34 or 11-36 | 11-30 or 11-34 | 11-30 or 11-34 |
| Speeds | 12-speed | 12-speed | 12-speed |
| Chain | Shimano CN-M6100 | Shimano CN-M7100 | Shimano CN-M7100 |
| Brakes | |||
| Brake levers | Triva TT hydraulic brake levers | Triva TT hydraulic brake levers | Triva TT hydraulic brake levers |
| Notes | Upgrade to Shimano Dura-Ace Di2 Tri/TT levers with BR-R9270 calipers for +£399.98 | Upgrade to Shimano Dura-Ace Di2 Tri/TT levers with BR-R9270 calipers for +£399.98 | Upgrade to Shimano Dura-Ace Di2 Tri/TT levers with BR-R9270 calipers for +£399.98 |
| Brake calipers | Flat-mount hydraulic disc calipers | Flat-mount hydraulic disc calipers | Flat-mount hydraulic disc calipers |
| Type | Hydraulic disc | Hydraulic disc | Hydraulic disc |
| Rotors | Shimano SM-RT70 | Shimano RT-MT800 | Shimano RT-CL900 |
| Front rotor | 160 mm | 160 mm | 160 mm |
| Rear rotor | 140 mm | 140 mm | 140 mm |
| Mount | Center Lock | Center Lock | Center Lock |
| Wheels & tires | |||
| Wheelset | Mavic Ksyrium 30 Disc | Mavic Ksyrium 30 Disc | Mavic Ksyrium 30 Disc |
| Tires | Vittoria Zaffiro Pro V | Vittoria Zaffiro Pro V | Vittoria Zaffiro Pro V |
| Tire width | 25 mm | 25 mm | 25 mm |
| Widths available | 25 or 28 mm | 25 or 28 mm | 25 or 28 mm |
| Cockpit | |||
| Basebar | Alpina Carbon TT Handlebars | Alpina Carbon TT Handlebars | Alpina Carbon TT Handlebars |
| Material | Carbon | Carbon | Carbon |
| Arm pads / cups | Alpina Pads/armrests | Alpina Pads/armrests | Alpina Pads/armrests |
| Stem | Dolan TR1 Integrated TT Stem | Dolan TR1 Integrated TT Stem | Dolan TR1 Integrated TT Stem |
| Headset | Alpina 1-1/8" | Alpina 1-1/8" | Alpina 1-1/8" |
| Saddle & seatpost | |||
| Saddle | Selle Italia Watt SF Triathlon TM | Selle Italia Watt SF Triathlon TM | Selle Italia Watt SF Triathlon TM |
| Seatpost | Dolan TR1 Adjustable Carbon Seatpost | Dolan TR1 Adjustable Carbon Seatpost | Dolan TR1 Adjustable Carbon Seatpost |
| Material | Carbon | Carbon | Carbon |
| Included extras | |||
| Hydration system | Dolan TR1 Hydration Tank | Dolan TR1 Hydration Tank | Dolan TR1 Hydration Tank |
| Storage / bento | Dolan TR1 Top Box and Rear Tool Box | Dolan TR1 Top Box and Rear Tool Box | Dolan TR1 Top Box and Rear Tool Box |
| Bottle cages | Profile Design Aero bottle and cage | Profile Design Aero bottle and cage | Profile Design Aero bottle and cage |
Ownership checklist
0 of 2 known checks pass, 5 not published by Dolan. Why these checks
- ✕
Threaded bottom bracket
Press-fit (Shimano BB72 fitted to builds)
- ?
UDH derailleur hanger
- ✕
Standard 12×142 mm rear axle
12 mm thru-axle
- ?
Works with mechanical shifting
- ?
Fits third-party aerobars
Alpina carbon TT base bar with TR1 integrated stem and Alpina pads; AeroCoach Angles extensions with Align Wing armrests optional
- ?
Rear disc wheel compatible
- ?
Fit kept when packed
TR1 geometry
| S | M | L | XL | |
|---|---|---|---|---|
| Rider height min | 160 cm5′3″ | 173 cm5′8″ | 180 cm5′11″ | 190 cm6′3″ |
| Rider height max | 170 cm5′7″ | 178 cm5′10″ | 188 cm6′2″ | 201 cm6′7″ |
| Stack | 499 mm19.6″ | 518 mm20.4″ | 543 mm21.4″ | 569 mm22.4″ |
| Reach | 365 mm14.4″ | 385 mm15.2″ | 405 mm15.9″ | 429 mm16.9″ |
| Head tube angle | 70.3° | 71.5° | 72° | 72.5° |
| Head tube length | 100 mm3.9″ | 115 mm4.5″ | 140 mm5.5″ | 165 mm6.5″ |
| Effective top tube | 480 mm18.9″ | 505 mm19.9″ | 530 mm20.9″ | 560 mm22″ |
| Seat tube length | 505 mm19.9″ | 525 mm20.7″ | 549 mm21.6″ | 577 mm22.7″ |
| Chainstay | 395 mm15.6″ | 395 mm15.6″ | 395 mm15.6″ | 395 mm15.6″ |
| Wheelbase | 954 mm37.6″ | 970 mm38.2″ | 993 mm39.1″ | 1,021 mm40.2″ |
| Front centre | 570 mm22.4″ | 586 mm23.1″ | 609 mm24″ | 636 mm25″ |
| Wheel size | 700c | 700c | 700c | 700c |
| Crank length | 170 mm6.7″ | 172.5 mm6.8″ | 172.5 mm6.8″ | 175 mm6.9″ |
Side view & pad range
Drawn to scale (how to read it).
How the geometry rides
The TR1 in size M against the middle size of 42 other bikes: tendencies from geometry, not a ride review (how to read this).
- Wheelbase970 mm38.2″
shortestlonger than 1% of 42 bikeslongest
Short wheelbase: tends to feel more agile in corners and less planted on long straights.
- Front centre586 mm23.1″
shortestlonger than 41% of 29 bikeslongest
- Chainstay395 mm15.6″
shortestlonger than 8% of 53 bikeslongest
Short chainstays: a compact, responsive rear end.
Good to know
Compatibility
Dolan's TR1 specification lists a DUB bottom bracket type, while every TR1 build lists a Shimano BB72 press-fit bottom bracket.
Source
TR1 FAQ
How much does the Dolan TR1 cost?+
Manufacturer prices (MSRP): £3,600–£4,800 across 3 listed builds and framesets: TR1 Shimano 105 R7170 Di2, TR1 Shimano Ultegra R8170 Di2 and TR1 Shimano Dura-Ace R9250 Di2.
What sizes does the Dolan TR1 come in?+
4 sizes: S, M, L and XL. The manufacturer recommends them for riders from 160 cm (5′3″) to 201 cm (6′7″).
Does the Dolan TR1 have integrated hydration?+
Yes. TR1 Hydration Tank plus a Profile Design aero bottle and cage (volumes not stated)
Does the Dolan TR1 have integrated storage?+
Yes. TR1 Top Box for food and a Rear Tool Box A top tube bento box is integrated.
Which groupsets are compatible with the Dolan TR1?+
Drivetrain compatibility: Electronic (Shimano Di2 and Campagnolo EPS compatible). Bottom bracket: Press-fit (Shimano BB72 fitted to builds).
What builds of the Dolan TR1 are available?+
TR1 Shimano 105 R7170 Di2: Shimano 105 Di2 R7100; TR1 Shimano Ultegra R8170 Di2: Shimano Ultegra Di2 R8100; TR1 Shimano Dura-Ace R9250 Di2: Shimano Dura-Ace Di2 R9200.
What warranty does the Dolan TR1 frame have?+
Lifetime warranty on Dolan frames and forks bought after 1 January 2024
Sources
- https://www.dolan-bikes.com/tr1/
- https://www.dolan-bikes.com/dolan-tr1-tt-triathlon-disc-carbon-bike-shimano-105-r7170-di2/
- https://www.dolan-bikes.com/dolan-tr1-tt-triathlon-disc-carbon-bike-shimano-ultegra-r8170-di2/
- https://www.dolan-bikes.com/dolan-tr1-tt-triathlon-disc-carbon-bike-shimano-dura-ace-r9250-di2/
- https://www.dolan-bikes.com/triathlon-bikes/
Dolan TR1 data last updated · How the data is checked ·