The Genesis Datum is a versatile go anywhere bike, equipped with a carbon fibre frame, Sram Rival drivetrain and Sram hydraulic disc brakes, equally at home on the weekday commute or longer expeditions.


Genesis Datum Carbon Fibre Gravel Road Bike 2020 in Green

£2,499.99 £2,599.99
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Genesis Datum Carbon Fibre Gravel Road Bike 2020 in Green

Season : 2020

Brand : Genesis

Code : VARGN2045

Weight : 20KG

Genesis have built the Datum to be a versatile bike, ready to tackle your local road loop, with some off-road excursions to add another dimension. The single ring up front keeps things simple and the wide-range cassette keeps you spinning up the steepest of gravel climbs and tarmac descents. If you’re really ambitious then you could add one of a burgeoning range of frame, bar and clip-on bikepacking bags, which make the Datum more versatile than ever. Their addition turns the Datum into a lighter, faster tourer for anything from overnight coast-to-coast missions, to multi-week transcontinental adventures.

Key Features & Benefits

  • Modulus carbon frame with disc mounts and full carbon fork. The latest in the line of of Genesis no-compromise, go anywhere quickly bikes, the Datum is equally capable on road and off. 
  • Single ring up front, the Sram Rival drivetrain provides a tried and tested set-up.
  • Multiple carrier and water bottle cage mounts, ensures the Datum is a verstaile bike whether for weekend adventures or longer escapes.

Full Specification

  • Frame:  24/30T Modulus Carbon Road Disc w/ Tapered Headtube & Fully Internal Cable Routing
  • Fork:  Full Carbon Fork w/ 1-1/2" - 1-1/8" Tapered Steerer w/ 12mm TA
  • Number of Gears:  11
  • Gear Shifters:  Sram Rival / 1x11 speed
  • Chainset:  Sram Rival 1 XSYNC / 42T / XS, 170mm / S-M, 172.5mm / L-XL, 175mm
  • Chainrings:  42T
  • Rear Cassette:  Sram PG1130 / 11-42T
  • Chain:  KMC x11
  • Front Derailleur:  N/A
  • Rear Derailleur:  Sram Rival 1x / Long cage
  • Bottom Bracket:  Sram PF-GXP
  • Pedals:  N/A
  • Rims:  Jalco SR240D / 32h
  • Front Hub:  Formula RX-812 28h12mm TA centre lock
  • Rear Hub:  Formula RX-300 28h 12mm TA centre lock
  • Front Tyre:  WTB Exposure 700x32c w/skinwall
  • Rear Tyre:  WTB Exposure 700x32c w/skinwall
  • Brakes:  Sram Rival hydraulic brakes w/160mm Sram Centerline rotors
  • Handlebars:  Genesis X-Race Aero / 8deg Flare / XS, 400mm / S-M, 420mm / L-XL, 440mm
  • Handlebar Tape:  Velo tape w/Gel
  • Headset:  FSA Orbit C-40-ACB, NO.42
  • Stem:  Genesis Code 7 / -7deg / XS, 90mm / S-M, 100mm / L-XL, 110mm
  • Saddle:  Genesis Road Comfort
  • Seatpost:  Genesis Alloy / 27.2x350mm
  • Accessories:  N/A
  • Weight:  Not Available

Road Bike Sizing Guide

Road bikes as the name implies are for road use. There are a growing number of “gravel” or “adventure” bikes which are based on road bicycles, but feature wider and more versatile tyres and disc brakes, so you can also do light trail riding such as towpaths. They are also more pothole resistant!

Sizing is normally in cm, and is a measurement from the centre of the chain-wheel axle (The BB or bottom bracket) and the top of the frame seat tube. Some are measured to the centre of the seat tube where it meets the top tube (otherwise known as the crossbar).

That measurement is on road bikes normally in CM – and no-one really knows why! Some road bikes will use “T-Shirt Sizing” so S, M, L, XL etc. but there will be a geometry chart that then shows the measurement in CM.

What is your height? Your suggested bicycle size
Feet/Inches Centimetres Suggested Size
4'10" - 5'0" 148cm - 152cm XX-Small (47-48cm)
5'0" - 5'3" 152cm - 160cm X-Small (49-50cm)
5'3" - 5'6" 160cm - 168cm Small (51-53cm)
5'6" - 5'9" 168cm - 175cm Medium (54-55cm)
5'9" - 6'0" 175cm - 183cm Large (56-58cm)
6'0" - 6'3" 183cm - 191cm X-Large (58-60cm)
6'3" - 6'6" 191cm - 198cm XX-Large (61-63cm)

If you need any more advice on bike sizing for road bikes please contact us and we can help you make the right choice.

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