Express-O S - 2015
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Overview
Why the Express-O S?
- Designed in Britain
- Lightweight custom butted 6061-T6 OS aluminium
- Reflective decals for safety on the road
- Anti-theft wheel skewers
- Mudguard compatible
- SRAM Via drivetrain
- Xero Inertia RD4 wheels
- Ergon saddle and grips
The perfect bike for the pro-commuter. SRAM’s 2 x 10 Via drivetrain, Avid brakes and a narrow Easton bar mean you can confidently play with traffic or escape it, depending on your mood.
Prefer your bars a little wider or a Shimano drivetrain? Have a look at the Express-O. Prefer your skinny wheeled bike to have drop bars? Try the RX9 S.
Road bike speed meets mountain bike comfort.
Not just a commuter – Read Sam Lister's Express-O adventure
The Express-O is more than just your commuter hack bike. With its comfortable ride, reliable drivetrain and road-grime immune disc brakes it’s a bike that will look after you on your kerb-hopping commute through the urban-jungle. Come the weekend though the Express-O is your speedy, smooth rolling, flat bar road bike. Lycra optional.
The Express-O’s aluminium frame uses custom butting to keep weight low while clever tube profiling builds in comfort as well as good looks. Details such as the reflective decals, anti-theft wheel skewers and mudguard mounts give peace of mind for any conditions in all environments, while components such as the ergonomically designed grips and saddle mean miles can be ticked off in comfort. From city streets and café bars to country roads and tea shops the Express-O is your perfect Tarmac explorer.
Specs & Options
SIZES AND COLOURS
Frame and Fork
6061-T6 Custom Butted OS Aluminium Tube. Wheel Size: 700c.
Drivetrain
Wheel and Tyres
Braking
Finishing Kit
Geometry & Tech Info

EXPRESS-O GEOMETRY
| 6061-T6 Double Butted Aluminium | |||||
| Frame | S | M | L | XL | |
| Frame Size (in) | 16 | 17.5 | 19.5 | 21 | |
| A. Head Angle | 70° | 70° | 70° | 70° | |
| B. Seat Angle | 73.5° | 73.5° | 73.5° | 73.5° | |
| C. Top Tube | 549 | 571 | 587 | 601 | |
| D. Effective TT | 568 | 594 | 609 | 620 | |
| E. Bottom Bracket Height | -70 | -70 | -70 | -70 | |
| F. Chainstay | 420 | 420 | 420 | 420 | |
| G. Head Tube | 120 | 130 | 140 | 150 | |
| H. Wheelbase | 1052 | 1069 | 1079 | 1090 | |
| I. Front & Centre | 642 | 658 | 668 | 680 | |
| J. Reach | 412 | 430 | 436 | 444 | |
| K. Stack | 548 | 560 | 569 | 578 | |
| Stem Length | 60 | 75 | 75 | 90 | |
| Bar Width (cm) | 42 | 42 | 44 | 44 | |
| Crank Length | 170 | 170 | 170 | 170 | |
| Seat Tube Ø | 27.2 | 27.2 | 27.2 | 27.2 | |
| Unless otherwise indicated all measurements are in mm. Bottom bracket height measured from axle. |
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