JUMP TO SECTION Configure your Jeht check availability 0% finance options complete bikes from: £4,849 frames from: £2,999

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Jeht
The Corner Wizard

Cotic Jeht UK made high performance steel mountain bike Cotic Jeht UK made high performance steel mountain bike

Traction rich steel frame feel
Evolved Longshot Geometry

Traction rich steel frame feel
Evolved Longshot Geometry

Cotic Jeht with Rocklink suspension

Handmade frames
and custom bike builds

Handmade frames
and custom bike builds

Cotic Jeht

100% UK Made853 + T45

100% UK MadeReynolds 853

You know that feeling when you hook up a perfect turn and the whole bike just tracks? The Jeht is built for that. It’s a dedicated mixed-wheel (mullet), made in Britain trail bike with 150mm rear travel and a 150–160mm fork, designed to carve through corners and feel the edge knobs bite.

Evolved Cotic Longshot geometry puts you in a “stand tall” position in the middle of the bike, with a planted front end that lets you commit. Reynolds 853 steel front end adds the supple, connected ride feel that decades of Cotic development have tuned.

New Cotic Rocklink takes everything we learned from our proven droplink design and makes room: A fully open front triangle and full dropper insertion, with the same supple, supportive, lively ride.

This isn’t a monstertruck that numbs the trail. It’s a rally car that dances and jinks, finding grip instead of grabbing brakes.


Why the Jeht?

  • You live for the tight turns and want a bike that changes direction faster than a full 29er.
  • You ride steep, technical terrain where front-end grip decides whether you commit to a line or just manage your way down.
  • You want proper capability without losing the lively, communicative feel.
  • You want a frame built to last, with full dropper insertion, UDH compatibility, and room for a bottle and tools.
  • You own a Cotic droplink bike, love it, and want to bring your ride right up to date.

Why Steel?

Steel on a full-suspension bike isn’t nostalgia. The Jeht’s front triangle is Reynolds 853 - with Cotic exclusive Ovalform top tube and dedicated down tube. It's a proprietary heat-treated steel strong enough to build light, with the compliance to give and go as the trail pushes back. That’s where the steel advantage comes from. Out back, a T45 steel seatstay and a 6082-T6 aluminium swingarm bring authority where you need it, and masses of tyre clearance.

100% UK MADE

Front triangle, seatstays, swingarm, CNC parts, 3D printed parts... all UK made, and then assembled right here at our HQ on the edge of the Peak District.

Longshot geometry

Radical Longshot geometry keeps the bike stable through the rough stuff, planted in the corners and pinpoint accurate in the steep tech.

Learn more...

853

Reynolds 853 builds a light, lively and fantastically robust front end using includes our custom ride tuned Ovalform top tube and exclusive HD seat tube. The down tube and seatstays are motorsport spec T45 roll cage tubing.

rocklink

Rocklink suspension delivers 150mm of calm controlled rear travel, for traction and a fun interactive ride.

Pair with a 150mm fork for a trail build, a 160mm fork for enduro.

Factory Collection

For that extra touch of individuality, you can now get our all our A La Carte custom paint choices on your Jeht.

Factory Collection

We now have a Factory Collection option on the bikes. Come down to our base on the edge of the Peak District, and we will set up your bike, the suspension, fit pedals, get you all comfortable. Tick the Factory Collection check box on your order.

Test Ride / Demo

If you are in the UK, you can test ride a Jeht here at our HQ on the edge of the Peak District.

Look into a test ride...

YOUR BIKE BUILT FOR YOU

We do things differently at Cotic. We assemble every single bike to order, and have loads of options for builds, so your Cotic is your dream bike.

Get in touch. Let's talk about your next bike...

LOVE IT OR YOUR MONEY BACK

Ride any of our products for 30 days and if you're not happy send it back for a full refund.

Find out more about our guarantee...

TECH DEEP DIVE

Why steel is the high performance choice for all our full suspension bikes...

choose any highlight above to find out more




Cotic Size Guide
Frame sizeRider Height in centimetresRider Height in feet and inches
C5184cm - 195cm6ft 0in - 6ft 5in
C4182cm - 190cm5ft 11in - 6ft 3in
C3176cm - 184cm5ft 9in - 6ft 0in
C2170cm - 178cm5ft 7in - 5ft 10in
C1162cm - 172cm5ft 4in - 5ft 8in

The chart is a guide to frame size. Longshot Geometry means that the frames are low and long, with plenty of standover room. We recommend going for the size suggested for your height on the chart, and getting all the benefits of running a super short and responsive 35-40mm stem. It's a game changer.

Our new Cotic "C" Sizing tightens the gaps between sizing, and give you more options to size up or down as you wish.

Make sure you consider your leg length as well. If you upsize you might not be able to fit a longer dropper post due to the collar hitting the seat tube top or the dropper post bottoming out on the seat tube droplink pivot. Maximum seatpost insertion for calculating dropper post options is on the chart.

If you'd like to learn more about our mould breaking Longshot Geometry, Click Here

We don't develop our bikes around a specific fork offset, we find that it's simply a preference down to the individual rider. However, we prefer shorter offsets in the 42-44mm range and that's what we spec. If you'd like to learn more about this, Click Here

If you are unsure about that or anything else, drop us a line at size@cotic.co.uk and we'll be happy to discuss set up based on what you're riding at the moment and what seatpost you are planning to use.




150mm travel forks - dimensions in mm

Frame Size C1 C2 C3 C4 C5
Seat Tube
(centre-top)
A 378 380 425 441 465
Top Tube Length
(effective)
B 595 616 635 653 674
Head Angle C 64.5° 64.5° 64.5° 64.5° 64.5°
Effective Seat Angle
(at 700 BB-saddle height)
D 76.5° 76.5° 76.5° 77° 77°
Effective Seat Angle
(at 815 BB-saddle height)
E 76.3° 76.3° 76.3° 76.7° 76.7°
Chainstay Length F 450 450 450 456 456
BB Drop (from front wheel) G 38 38 38 38 38
Head Tube Length H 100 110 120 130 140
Reach I 444 463 482 501 520
Stack J 628 637 646 655 664
Wheelbase K 1225 1248 1270 1300 1324
Usual Height Range 162-172cm 170-178cm 176-184cm 182-190cm 184-195cm
Stem Length 25-45 25-45 25-45 25-45 25-45
Frame Wheel Travel
(55mm stroke shock) 150 150 150 150 150
Wheel Size 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R
Max Rear Tyre Size 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6"
Maximum Seatpost Insertion
(including actuator mechanism)
312 314 359 376 400
All measurements are static based on 150 travel fork. Seatpost Maximum insertion is guidance based on leaving 25 clear below the actuator for any hose or cable to route through our frames. Your post may need less.

160mm travel forks - dimensions in mm

Frame Size C1 C2 C3 C4 C5
Seat Tube
(centre-top)
A 378 380 425 441 465
Top Tube Length
(effective)
B 596 617 636 654 675
Head Angle C 64° 64° 64° 64° 64°
Effective Seat Angle
(at 700 BB-saddle height)
D 76° 76° 76° 76.5° 76.5°
Effective Seat Angle
(at 815 BB-saddle height)
E 75.8° 75.8° 75.8° 76.2° 76.2°
Chainstay Length F 450 450 450 456 456
BB Drop (from front wheel) G 34 34 34 34 34
Head Tube Length H 100 110 120 130 140
Reach I 438 457 476 495 514
Stack J 633 642 651 660 669
Wheelbase K 1231 1254 1276 1306 1330
Usual Height Range 162-172cm 170-178cm 176-184cm 182-190cm 184-195cm
Stem Length 25-45 25-45 25-45 25-45 25-45
Frame Wheel Travel
(55mm stroke shock) 150 150 150 150 150
Wheel Size 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R
Max Rear Tyre Size 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6"
Maximum Seatpost Insertion
(including actuator mechanism)
312 314 359 376 400
All measurements are static based on 160 travel fork. Seatpost Maximum insertion is guidance based on leaving 25 clear below the actuator for any hose or cable to route through our frames. Your post may need less.
Geommetry Diagram

150mm travel forks - dimensions in mm

Frame Size C1 C2 C3 C4 C5
Seat Tube
(centre-top)
A 378 380 425 441 465
Top Tube Length
(effective)
B 595 616 635 653 674
Head Angle C 64.5° 64.5° 64.5° 64.5° 64.5°
Effective Seat Angle
(at 700 BB-saddle height)
D 76.5° 76.5° 76.5° 77° 77°
Effective Seat Angle
(at 815 BB-saddle height)
E 76.3° 76.3° 76.3° 76.7° 76.7°
Chainstay Length F 450 450 450 456 456
BB Drop (from front wheel) G 38 38 38 38 38
Head Tube Length H 100 110 120 130 140
Reach I 444 463 482 501 520
Stack J 628 637 646 655 664
Wheelbase K 1225 1248 1270 1300 1324
Usual Height Range 162-172cm 170-178cm 176-184cm 182-190cm 184-195cm
Stem Length 25-45 25-45 25-45 25-45 25-45
Frame Wheel Travel
(55mm stroke shock) 150 150 150 150 150
Wheel Size 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R
Max Rear Tyre Size 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6"
Maximum Seatpost Insertion
(including actuator mechanism)
312 314 359 376 400
All measurements are static based on 150 travel fork. Seatpost Maximum insertion is guidance based on leaving 25 clear below the actuator for any hose or cable to route through our frames. Your post may need less.

160mm travel forks - dimensions in mm

Frame Size C1 C2 C3 C4 C5
Seat Tube
(centre-top)
A 378 380 425 441 465
Top Tube Length
(effective)
B 596 617 636 654 675
Head Angle C 64° 64° 64° 64° 64°
Effective Seat Angle
(at 700 BB-saddle height)
D 76° 76° 76° 76.5° 76.5°
Effective Seat Angle
(at 815 BB-saddle height)
E 75.8° 75.8° 75.8° 76.2° 76.2°
Chainstay Length F 450 450 450 456 456
BB Drop (from front wheel) G 34 34 34 34 34
Head Tube Length H 100 110 120 130 140
Reach I 438 457 476 495 514
Stack J 633 642 651 660 669
Wheelbase K 1231 1254 1276 1306 1330
Usual Height Range 162-172cm 170-178cm 176-184cm 182-190cm 184-195cm
Stem Length 25-45 25-45 25-45 25-45 25-45
Frame Wheel Travel
(55mm stroke shock) 150 150 150 150 150
Wheel Size 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R 29"F/27.5"R
Max Rear Tyre Size 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6" 27.5 x 2.6"
Maximum Seatpost Insertion
(including actuator mechanism)
312 314 359 376 400
All measurements are static based on 160 travel fork. Seatpost Maximum insertion is guidance based on leaving 25 clear below the actuator for any hose or cable to route through our frames. Your post may need less.
Geommetry Diagram


Frame Details

Available as frame and shock from: £2999.

  • Radical Cotic Longshot geometry is specifically designed for super short 35mm stems, giving incredible steering responsiveness combined with hugely confidence inspiring capability at speed. Proportional C-Sizing brings consistent balance across all sizes.
  • Dedicated mixed wheelsize "mullet" layout makes cornering a breeze and brings real agility to go with the confident Longshot geometry overall feel.
  • Reynolds 853, Cotic exclusive Ovalform top tube, HD Seat Tube builds a precise, durable and strong front end with beautiful ride feel.
  • 44mm standard head tube designed with external bottom cup for taper steerer compatiblity and angleset compatibility.
  • External routing with bespoke, 3D printed cable management makes this one of the easiest bikes to work on.
  • Rocklink suspension brings traction rich pedal feel, with supportive progression rate.

 

  • Open front triangle has mounts for a large bottle and tools inside the triangle.
  • 6082-T6 UK made aluminium swingarm with Syntace X-12 BOOST148 x 12 rear axle and UDH hanger
  • Proven 15mm pivot design for main and rocklink thru axle style pivots.
  • Cotic exclusive Floating Trunnion shock mount maximises shock life and sensitivity
  • Adaptable geometry - Trail spec with 150mm or Enduro at 160mm
  • Enduro MAX and SKF bearings for long life and highest performance
  • All UK made frames are fitted with Datatag security as standard
  • Sizes - C1, C2, C3, C4, C5 suits riders from 5ft 3in to 6ft 5in

Bike Specs & Prices

Complete bikes from: £4849

Bikes are now available worldwide, with free shipping to UK, Ireland and mainland Europe.

We have several levels of stock build which are based around our favourite parts in builds you can trust. We never specify anything we haven't ridden, tested and enjoyed. However, just about everything in your build can be customised to help with fit (contact us if you need help) or to personalise your bike. Want a different fork? Shock? Brakes? Wheels? Tyres? Bars? Stem? Longer drop seatpost? Women's saddle? Men's saddle? Colour matched Hope components? No problem. It's your bike.

YOUR BIKE BUILT FOR YOU.

All the bikes are assembled from a frame right here in the UK by us. We can do everything from bare frame to complete bike: Send us your favourite saddle and grips to fit. Send us your wheels if you have a nice pair you want to use. There's no point you getting kit you don't want. It's wasteful. That gives you almost limitless options to customise and tune your bike to your needs. If you can't see an option you'd like on the order form, get in touch. We all know it's good to head off piste sometimes!

Tap on a build title below to see the default specification and price for that build... then hit the 'CONFIGURE YOUR BIKE' button to see all the customisations you can make to the build. When you select your country at the bottom of the form, sales taxes (VAT), pricing and shipping will automatically update for you. Once you're happy, order your bike!


Trail Bronze - Deore / Rockshox / Halo
headsetCane Creek Headset 40 Series ZS44/EC44
forkRock Shox Lyrik E1 Select Black - 150mm
shockRockshox Deluxe Ultimate 185x55 Trunnion
wheelsHalo Ridgeline 2 Mullet Microspline
disc brakePair of Shimano Deore M6200 brakes
disc brakePair of Shimano rotors 203/203 6bolt
groupsetDeore M6100 1x12 Drivetrain
chainsetDeore M6100 Chainset with 12 speed 32t chainring
bottom bracketShimano MT501 Deore Bottom Bracket
finishing kitCotic Lockon grips + WTB Rocket Cromoly Saddle
tyresSchwalbe Romy Trail Soft/Mid 2.4
handlebarCotic Calver HIGH Bars - 780 x 38 rise, 5deg up, 9deg back (black)
stemCotic SHORTERSTEM - 35mm
seatpostSDG Tellis V2 31.6 Seatpost 170mm drop
price£4849
CONFIGURE YOUR BIKE

Origin : MADE IN UK

Cotic frames are designed, developed, engineered and tested entirely by us at our base in the Peak District, near Sheffield in the UK. Our founder - Cy Turner - is the lead designer and engineer, and our frames are rigorously ride tested by everyone at Cotic and chosen test riders and ambassadors. They are fully certified and lab tested in excess of the requirements of ISO4210 safety standards.

For the Jeht Gen3 100% of the frame is made and sourced in the UK. The skilled guys at Five Land Bikes in Scotland manufacture the Reynolds 853 front triangles and T45 seatstays in small batches, to their exacting standards. The bespoke Cotic aluminium swingarm is fabricated in the midlands using parts CNC'd by Rotosteel. Almost every single frame part, components, nut and bolt is sourced and produced in the UK.

All the major steel parts of the frame are dip coated in manganese phosphate to prevent corrosion, before being painted using tough and durable automotive spec paint by the Five Land guys, or A La Carte custom colour by Black Cat Custom Paints. After they have completed their painstaking hand finishing process and their rigorous QC, the frame parts undergo further checking by us before assembly in the workshop at our HQ.

As always, all complete bikes are built to order by us here at Cotic, to the exact spec of your choice. We build your bike for you.

Component Sizes

Seatpost diameter: 31.6mm. See geometry tables for maximum insertion.

Front Mech: Not applicable - 1x drivetrains only.

Fork: 29" Wheel, Maximum 160mm travel, 576mm axle-crown (without sag)

Rear Wheel: 27.5"/650B only. Maximum width 2.6". Maximum diameter 725mm

Bottom Bracket width: 73mm

Bottom Bracket thread: BSA Threaded

Chainline: 52mm or 55mm. Chainring sizes 26t to 34t

Chainguide Mounting: ISCG05

Headset: 44mm for Taper Steerer forks: Hope 2H, Cane Creek ZS44 Top/EC44 Bottom, Chris King Inset I7

Rear Hub: Boost148 x 12 bolt through

Rear Axle: Syntace X-12

Rear Mech Hanger: SRAM UDH

Shock: 185x55 Trunnion Mount - Air or Coil shock compatible

Shock Fittings: Trunnion Rocker, 30.0 x M8 Frame End

Dropper Post Routing: Internal via down tube port

Rear Brake Mounting: I.S. - Maximum 203mm diameter rear disc

Support

With over 20 years of industry leading customer service, you know we've got your back.

All Cotic bikes are tough, durable and with regular maintenance will bring you many years of happy trails.

Click here to read our warranty.

Our support doesn't just end when your bike is delivered. We are always on the end of the phone or email whether you have had your Cotic for 10 minutes or 10 years. We'll always do our best to keep you rolling.

Our Owners/User manuals are downloadable using the following links: