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Genesis Tarn 20 27.5"+ Mountain Bike 2018 - Hardtail MTB

Genesis Tarn 20 27.5"+ Mountain Bike 2018 - Hardtail MTB

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Product Description

The Genesis Tarn 20 is a steel hardtail that’ll put a smile on your face every time your ride. The frame is robust and gives a superb ride, and is matched perfectly with the RockShox Pike fork, delivering excellent control. The wide WTB rims offer a great platform for the wide tyres, delivering a stable ride and traction for miles.

Key Features:

  • Genesis Mjölnir Seamless Double-Butted Cromoly frame is strong and long lasting
  • RockShox Pike RC fork gets 120mm travel to give control on rough trails
  • Shimano SLX 1x11 speed drivetrain offers smooth and reliable shifting
  • Shimano Deore hydraulic disc brakes deliver smooth and powerful performance
  • WTB Scraper i40 are strong and wide, giving great support for tyres
  • Maxxis Ardent 2.35” tyres balance rolling speed and grip perfectly
  • Sizes: Small, Medium, Large, X Large
  • Colours: Rad Dave’s Slate
  • The Genesis Tarn 20 27.5+ is available with 0% APR finance

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 Pike RC Solo Air fork, WTB Scraper 4.0 rims, KS dropper seatpost and tubeless-ready Maxxis Rekon Dual Compound 2.8" rubber will happily handle anything and everything the trails can throw at you.

All Tredz bikes are:

  • Fully built & ready to ride
  • Fully checked & tested by Cytech qualified mechanics
  • Available with 0% APR finance on baskets over £99
  • 365 day no hassle returns
  • Free delivery in the UK Mainland on a date that suits you

In the box with every Tredz bike is:

  • Free Tredz 9 key trail tool
  • Free Tredz pedal spanner
  • Free basic pedals
  • Tredz drawstring kit bag
  • 16 point quality control check sheet
  • Basic bike setup instructions
  • Free Cycle Plan insurance voucher (8 weeks)

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


Frame:Genesis Mjölnir Seamless Double-Butted Cromoly
Fork:Rockshox Pike RC, Solo Air, 120mm, Tapered Steerer, 110mm x 15mm
Headset:PRESTINE PT-F17A, ID:34/ID:45
Stem:Genesis 60mm /+0deg
Bars:Genesis alloy / 760mm x 5mm rise
Front Brake:Shimano MT500 180mm
Rear Brake:Shimano MT500 160mm
Brake Lever:Shimano MT500
Rear Mech:Shimano SLX RD-M7000-11
Shifters:Shimano SLX SL-M7000 - R
Rims:WTB Scraper i40 / 32h
Front Hub:Shimano HB-M618
Rear Hub:Shimano FH-M618 32h
Spokes:Stainless steel 14g
Front Tyre:Maxxis Rekon 27.5x2.80" Dual Compound/EXO/TR, 60TPI
Rear Tyre:Maxxis Rekon 27.5x2.80" Dual Compound/EXO/TR, 60TPI
Seat Post:KS DropZone 31.6mm / 125mm drop
Chainset:Shimano SLX FC-M7000-B 32T
Bottom Bracket:Shimano BB52
Chain:KMX X11
Cassette:Shimano SLX CS-M7000 / 11-46T

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