If you are looking for a steel adventure/gravel bike, look no further. The versatile Darwin chassis, equipped with 650B wheels is the perfect bike for when you want to head off the beaten track.

Lightweight Reynolds 725 steel frame fused together with the latest trend in all-road high-performance ‘1x’ gear systems.  SRAM Rival 1x uses a single front chainwheel, driving a wide ratio 11spd rear cassette, to deliver a useful spread of gears, in a simple to use, lightweight package.

Halo’s premium level Vapour GXC Supadrive 650B (27.5in) gravel focussed wheelset fitted with 47C Halo GXR tyres, allows you to tackle a variety of surfaces from gravel tracks, forest fire roads and even asphalt roads.  

Wrapped in Genetic's luxurious, comfort enhancing, Silicone tape, are the fashionable Driser-16 handlebars which raise the effective handlebar height and includes a comfort and control enhancing 16 degree ‘flare’ in the drops.   For those who prefer a non-drop handlebar set-up, Tioga flat handlebars are also an option.  Genetic's sporty STV saddle offers completes the quality set of contact points.

International Standard 160mm discs delivers braking confidence in all conditions with cable operated TRP Spyre calipers or upgrade to a full hydraulic SRAM system for the ultimate in stopping ability.

This model is also available 1x specification but fitted with 700C wheels and Halo 38C GXC tyres for those who prefer the larger wheel option. The Vapour rims are also future compatible with tubeless tyres.


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  • Passport Tour rear carrier Black or Silver £45.00 RRP
  • Passport Lug-Kages (2) Black or Silver £35.00 RRP
  • SP PD-8 dynamo and BM 50 lux headlamp £85.00 RRP
  • SP PD-8 dynamo and Supernova E3 lightset 230.00 RRP
  • Tioga Flat handlebars £P.O.A.
  • Hydraulic brake system £300.00 RRP
  • Redshift Shockstop suspension stem £110.00 RRP
  • Tioga Undercover (Spider) Cr-Mo saddle £ 30.00 RRP
The Light Blue Darwin One By 650

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Price: £2049.99