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2018 Genesis

Tarn Ti Frameset

A 27.5″ titanium frame trail frameset.

Manufacturer Price

£1,999($2,681)
FrameTitanium
ForkCarbon
Wheels27.5″
Where to Buy
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Insights
Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Reviews

Summary

The Genesis Tarn is celebrated as a highly competent and entertaining trail hardtail, offering a surprisingly comfortable ride with its plus-size tyres and seamless double butted cromoly steel frame. It excels in mixed trail riding, balancing a lively feel for technical sections with stability on descents. While it's praised for its modern geometry and the inclusion of a dropper post, some reviewers note the tyres may not suit all UK conditions and the bike's weight could be a drawback.

Pros
  • Highly competent and entertaining ride

  • Surprisingly comfortable with plus-size tyres

  • Modern geometry and stable on descents

  • Seamless double butted cromoly steel frame

  • Inclusion of a dropper post

Cons
  • Tyres may not suit all UK conditions

  • Relatively heavy

  • Some components could be improved for technical riding

Key Quotes
The Genesis Tarn is a refreshingly different take on the UK trail hardtail
off.road.cc logooff.road.cc
It’s a highly competent and entertaining ride
off.road.cc logooff.road.cc
The Tarn 20 is a well-rounded trail hardtail
MBR logoMBR
‘Haters gonna hate’ but this plus-bike is one of the best steel hardtails out there
BikeRadar logoBikeRadar

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off.road.cc
Genesis Tarn 20

Jul 2017

The Genesis Tarn is a refreshingly different take on the UK trail hardtail, with a combination of chubby 2.8” Plus rubber, a zingy steel frame and more stretched out geometry for 2017. If you’re willing to take a punt on something a little out of the ordinary, it’s a highly competent and entertaining ride, but do budget for some more aggressive tyres for soft conditions. What frame material is best? Check out our guide Looking for your first mountain bike? Here's everything you need to know At the heart of the Tarn is a frame made from seamless double butted cromoly steel.

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MBR
Genesis Tarn 20 (2017) first ride - MBR

Jan 2017 · Mountain Bike Rider

Expanding its range, sorting its sizing and making the best of Plus-size tyres — Genesis Tarn 20 is another trail-ripping hardtail from Genesis.

Highs
  • It has everything you need from a true trail ripper. Plus-size tyres deliver a surprisingly comfortable ride.

Lows
  • It’s not lightweight by any means, but going tubeless should drop the weight by almost 500g. With the refocused sizing, the 60mm stem seems too long for what this bike is capable of.

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BikeRadar
Genesis Tarn 20 2017 first ride review

Oct 2016 · Matt Legg-Bagg

Last year the Genesis Tarn made quite an impression with its ‘from the future’ long front-end geometry and bulbous plus-sized tyres.

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Geometry
Specs
Build
Frame

3AL-2.5V Double-Butted Titanium

BB StandardBSA, 73mm, Threaded

Fork

Full Carbon 27.5+ Fork, Tapered Steerer, 110mm x 15mm

Bottom Bracket

BSA 73mm Boost (not incl.)

Headset

Prestine PT-1860 1-1/8" - 1-1/2" tapered

Groupset
Front Derailleur

34.9mm Band-on (not incl.)

Rider Notes
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First added October 5

Last updated October 5

Not listed for 2,793 days