Dolan DF4
Road · 6 sizes
Sign in and add the bike you ride, and this table will say what each size needs for your position.
Sign in
This is the bike I ride
No account is needed to read the table. Report a wrong number · Correct this bike
- Bike
- Dolan DF4 · Road · 6 sizes
- Geometry
- dolan-bikes.com, fetched 20 Oct 2026, re-checked, no differences
- Cockpit
- Generic stem and bar, assumed
- Solved with
- cover 15 mm (assumed), max spacers 40 mm (assumed), stem clamp centre 20 mm (assumed), so every verdict carries ±10 mm at the bar
- Sheet
- 22 October 2026 · 686 bikes, 74 makes, 3,984 sizes in the catalogue
Geometry, every size, from the maker's table
The tinted row is the size drawn beside it. Press a size to draw it.| Size | Stack (mm) | Reach (mm) | Head angle (deg) | Seat angle (deg) | Head tube (mm) | Chainstay (mm)not published | Wheelbase (mm)not published | Standover (mm)not published |
|---|---|---|---|---|---|---|---|---|
| 51.5cm | 477 | 393 | 73.5 | 75 | 100 | |||
| 53cm | 479 | 401 | 74 | 75 | 100 | |||
| 55cm | 498 | 414 | 74 | 74.5 | 120 | |||
| 57cm | 498 | 434 | 74 | 74.5 | 120 | |||
| 59cm | 519 | 451 | 74.5 | 75 | 140 | |||
| 61cm | 519 | 471 | 74.5 | 75 | 140 |
The table runs on to the right: 6 more columns after Reach. Scroll it sideways to read them.
The 57cm drawn to scale from the table, with no build on it. Stack and reach run from the bottom bracket to the top of the head tube; every size is solved from those two. One square is 100 mm. A dashed tube is a number the maker left out (est.).
The maker's cockpit
No stock cockpit I can name, so every size is solved on a generic stem and bar unless you choose one on the sheet.Generic stem and barAssumedNo bar is listed for this frame.
Frame facts
not read off the maker's page yet: dolan-bikes.com- Tyre clearance
- not recorded yet
- Bottom bracket
- not recorded yet
- Axles and brakes
- not recorded yet
- UDH
- not recorded yet
- Seatpost
- not recorded yet
- Frame weight
- not recorded yet
In the maker's words
Kept whole, as I read it off dolan-bikes.com.Two-piece bar and stem, chosen in the build configurator.
Cockpit and seatpost, in the maker's words · 143 words
Two-piece bar and stem, chosen in the build configurator. The page's sizing guide, written per rider size and separate from the geometry table, reads: "X-Small | 5'3-5'5" - 160-165cm | Crank Length: 165cm | Stem: 8cm | Bar Width: 38cm | Small | 5'5-5'7" - 165-170cm | Crank Length: 165cm | Stem: 9cm | Bar Width: 40cm | Medium | 5'7-5'9" - 170-175cm | Crank Length: 165cm | Stem: 10cm | Bar Width: 42cm | Large | 5'9-6'0" - 175-182.5cm | Crank Length: 170mm | Stem: 11cm | Bar Width: 42cm | X Large | 6'0-6'4" - 182.5-193cm | Crank Length: 170mm | Stem: 12cm | Bar Width: 42cm | XX Large | 6'0-6'4" - 182.5-193cm". Because the guide is not a row of the geometry table, stock_stem_length and stock_bar_width are left null rather than paired with the table's sizes by the collector.
OFFICIAL SOURCE: Dolan Bikes (Preston, UK, maker and seller of its own frames) product page, DF4 track frame, six sizes 51.5cm to 61cm. Source: html table (official Dolan Bikes product page "DF4", "Sizing & Geometry" table in the page markup; fetched 2026-10-20
How I read the maker's table
The "Sizing & Geometry" HTML table prints, by letter: A Head Angle, B Head Tube Length (mm), C Effective Top Tube Horizontal (mm), D Seat Angle, E Seat Tube Length Center To Top (mm), F Stack (mm), G Reach (mm). Some sizes share a head tube and stack, as printed: 51.5cm and 53cm (100), 55cm and 57cm (120, stack 498, seat tube 505), 59cm and 61cm (140, stack 519, seat tube 530); so stack does not rise between those pairs. Not printed, so null: chainstay, wheelbase, BB drop, fork offset, front centre, standover, trail. Model year: not printed (null).
Source: html table (official Dolan Bikes product page "DF4", "Sizing & Geometry" table in the page markup; fetched 2026-10-20, HTTP 200)