Genesis Tarn 20  2017 Mountain Bike

What are the delivery costs?

We offer Free UK Mainland Delivery on all orders over £20. Products shipped to outlying UK regions are excluded from free shipping.

Standard delivery is normally 2 - 5 working days.

Please view our delivery page for full information on UK and international delivery costs.

The quintessential steel UK trail hardtail - redefined.


Tarn is our dedicated 27.5+ offering, designed from the ground up around the new Boost axle standards, wider chainline and new-school progressive geometry. A beautifully crafted steel frame and an enviable part spec with the new Shimano SLX 1x11 drivetrain, Rockshox Yari RL Solo Airfork, FATlab 40mm rims, KS dropper seatpost and tubeless-ready WTB Ranger 2.8" rubber will happily handle anything and everything the UK's trails can throw at you. 


Frame Genesis Mjölnir Seamless Double-Butted Cromoly
Forks Rockshox Yari RL, Solo Air, 120mm, Tapered Steerer, 110mm x 15mm
Headset PRESTINE PT-F17A, ID:34/ID:45
Handlebars Genesis alloy / 760mm x 5mm rise / Genesis Loc On
Stem Genesis 60mm /+0deg
Shifters 11 Speed Shimano SLX SL-M7000
Front_Mech N/A
Rear_Mech Shimano SLX RD-M7000-11
Chainset Shimano SLX FC-M7000-B 32T
Bottom_Bracket Shimano BB52
Chain KMX X11
Cassette Shimano SLX CS-M7000 / 11-42T
Front_Brake Shimano M506 180mm
Rear_Brake Shimano M506 180/160mm
Rims FATlab 40mm Tubeless-Ready, 32h
Front_Hub Shimano HB-M618 FH-M618 32h
Rear_Hub Shimano HB-M618 FH-M618 32h
Spokes Stainless steel 14g
Tyres WTB Ranger 27.5+x2.8" Front
WTB Ranger 27.5+x2.8" Rear
Seatpost KS DropZone 31.6mm / 125mm drop
Pedals Genesis
Weight 13.96

Occasionally, without notice, manufacturers change product design and/or specifications.