• 29" wheeled enduro bike
  • 160mm rear travel
  • 160mm fork
Cotic, full-suspension, enduro, droplink, steel, 853, Rocket, MAX, frames, frame, mountain, bike, orange, Reynolds, Ovalform
Cotic, full-suspension, enduro, droplink, steel, 853, Rocket, MAX, frames, frame, mountain, bike, orange, Reynolds, Ovalform

The Cotic RocketMAX is our big wheel, blazingly quick, 29er steel full suspension enduro bike

The fastest bike in our fleet. The radical, UK made RocketMAX turns the speed up to 11. It's all about the rockiest descents and the steepest technical trails. It's confident and blisteringly quick.

RocketMAX will carry speed through lines you've battled to get through before, and will do so with composure and ease thanks to it's Cotic developed Reynolds 853 steel frame. You like steep and techincal? You can ride down pretty much anything on a RocketMAX, then pedal back up buzzing on how great your ride is. Incredible stability and pinpoint precision from our industry leading Longshot geometry brings you swaggering confidence regardless of the gradient, and will leave a massive grin on your face.

RocketMAX is wild and fast and just so much fun. It's almost like cheating!

What have we changed and improved for the Gen3 version of the RocketMAX?

Click here to Learn what's new


Read Enduro Magazine's review of the Gen3 RocketMAX Gold XT bike:

"The Cotic frame is thing of beauty, with a unique ovalised Reynolds 853 steel top tube, intelligent cable routing and many smart design features."

"...we were surprised at just how composed the RocketMAX is on the climbs. We were expecting a barge, but the Cotic displayed a nimbleness that defies its stretched proportions."

"Ultimately the RocketMAX is an awesome bike which shouldn't be defined by it's 'niche' frame material, but by its performance. It happily goes toe-to-toe with formidable bikes like the YT Capra, Nukeproof Mega and Specialized Enduro."

Click here to read the full review

Read BikeRadar's 2021 Enduro Bike Of The Year 4/5 review of the RocketMAX Gen3 Silver HUNT Rockshox bike:

"Composure and comfort when really pounding through the ugliest of terrain have definitely been elevated, but it’s still a more engaging, feedback-rich ride compared to some of its counterparts with similar amounts of travel."

"Uphill, I found the Cotic really easy going. This is thanks to a combination of that relatively steep seat angle, roomy cockpit and stable suspension that remains calm and almost bob-free when seated."

And - with not a small amount of Schadenfraude for the 'steel is heavy' brigade - ".....the overall weight of the RocketMAX at just 15.12kg....was actually the lightest of all the bikes in the Enduro Bike of the Year test."

Click Here to read the full review

Want to learn more about the awesome RocketMAX?

Click on the tabs below...

The new RocketMAX Gen3 is a solid evolution of our standard shredding Gen2 RocketMAX, the first RocketMAX to feature Longshot geometry. It's the longest travel 29er we have ever made, now with 160mm rear to balance out the 160mm front. We have tweaked the progression rate, reduced the leverage ratio, and broadened the window of performance. The frame design is dedicated to big can, metric sized air shocks for smoother feel and more capable performance. For tunability they can't be beat.

The extra travel and new kinematics bring an even more composed, plush feel to the suspension, making it feel more planted when you're flying down those rock strewn sections. The confidence inspiring support and shape-maintaining working edge is still right there, so it still has your back in the steep and deep.

The RocketMAX Gen3 accounts for its extra travel to retain the incredible dynamic geometry of the Gen2 bike. This means the handling is still that fantastic combination of precision, stability and responsiveness. It was so far ahead of the game that we haven't found a way to improve it! The seat angle is 1 degree steeper for more poise on steep climbs and to work hand-in-hand with the new frame rate.

The tubeset is subtly evolved with our new HD down tube which is tougher and stiffer than the original version, but no heavier. Developed by Cotic with Reynolds for our exclusive use. All 853 frames are NOT created equal

The main changes for the Gen3 bike specs are the addition of the Rock Shox Lyric Ultimate as a fork option, and we now have a selection of Shimano XT and SRAM Guide RSC G2 4 Pot brakes for those wanting a bump in stopping power, but have particular lever feel preferences. Jump to the bike specs here.

Cotic Longshot Geometry, Longshot geometry, progressive geometry, mountain biking, enduro mountain biking, trail riding, mountain bike, full suspension mountain bike, 29er, 29 inch wheels, 27.5 inch wheels

Radical Longshot geometry keeps the bike stable through the rough stuff, planted in the corners and pinpoint accurate in the steep tech. Couple a super short 35mm stem to the optimised head angle and the bike really pushes you on, looking for every stump to boost off, rock to gap and berm to rail, keeping you connected to the trail while maintaining incredible poise and composure.

Reynolds 853

Reynolds 853 builds a light, lively and fantastically robust front end, and includes our custom ride tuned Ovalform top tube, and new for Gen3 our exclusive HD down tube, which helps to deliver that famous ride feel. The frames' steel construction is compliant and naturally ground moulding, extracting grip and feedback from the trail where you thought there was none.

If you want to learn more about the RocketMAX UK Made and finished construction, click here to read the Singletrack feature all about it...


Cotic MAX frames use 29 inch wheels. MAXimum speed, MAXimum rollover.

29inch wheels roll easy and give a lot of stability, confidence and speed in rougher terrain, at the expense of being a little heavier and less playful than regular 27.5" wheels.

Why Big Wheels?

The way the MAX frames are packaged around the larger wheels (longer rear end, longer wheelbase, taller front end) can suit the proportions of a taller rider better, this will minimise any potential drawbacks, as a taller rider tends to have long enough arms and legs to move the bike around easily. Whatever height you are, if you're after more speed and stability from a bike, then the big wheels are the way to go.

Cotic Droplink suspension is supportive and progressive, keeping the 160mm travel RocketMAX feeling lively and interactive, with grip to spare on the descents, support and traction on the climbs.

We Build Your Bike For You

All Cotic bikes are assembled in the UK from and frame up. We have set specifications, but these are just the start. Want the Silver spec bike with tubeless tyres? Easy! Want a HELM instead of Lyric on your RocketMAX? It's there too. Full colour matched Hope parts, and add the matching brakes too? It's a click away, and everything else in between. If it's not a choice on the order form, just ask.

When you contact us you are talking to the people who design the frames and will be building your bike. We check it and build and pack it in our award winning bike boxes with the same care we would our own bike, because we know how important it is. We build your bike, for you.

Click here for the full bike specs...

Order your dream bike today...

Is the RocketMAX the bike for you?

If you like the idea of an enduro bike from Cotic, but with the lighter, livelier ride of the smaller 27.5" wheels, you need our Rocket.

Like your wheels big, but more of an all rounder? A little more responsive and shorter travel? You need the FlareMAX.

Maybe you're more a hardtail rider, but like the speed and security of the RocketMAX with 29er or 275 Plus wheels? Have a look at the SolarisMAX.

Complete bikes from: £4999

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

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? Colour matched Hope components? No problem. It's your bike.

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!

Gold 11 Speed - XT 1x11 - HELM
headsetHope 2H for tapered steerer (black)
bottom bracketMT800 XT Bottom Bracket
forkCane Creek HELM29 - 160mm
shockCane Creek DB Kitsuma Air Piggyback
wheelsHUNT Trail Wide 29 HG
disc brakePair of Shimano Deore M6100 brakes
disc brakePair of Shimano rotors 180/180 6bolt
groupsetXT M8000 1x11 Drivetrain
cassetteXT 11spd 11-46 Cassette
chainsetXT M8000 Chainset with 30t chainring
finishing kitBlack Lockon grips and saddle
tyresWTB 29 Verdict 2.5 / Trail Boss 2.4 Light Slashguard with tubeless kit
handlebarCotic Calver Bars - 780 x 25 rise, 5deg up, 9deg back (black)
stemCotic SHORTERSTEM - 35mm
seatpostBikeYoke Devine Seatpost 125mm drop
seat clampHope Bolt Up Seat Clamp (black)
  • Radical Cotic Longshot geometry is specifically designed for super short 35mm stems, giving incredible steering responsiveness combined with hugely confidence inspiring capability at speed.
  • Reynolds 853 Ovalform and Cotic Exclusive HD down tubed front end brings precision, beautiful ride feel, durability and strength
  • 44mm standard head tube designed with external bottom cup for taper steerer compatiblity and zero stack top cup for minimal stack height
  • Custom Cotic designed 35mm Reynolds 853 seat tube for super stiff support for the main suspension pivots
  • 31.6mm seatpost size is dropper seatpost compatible. Internal 'Stealth' dropper post remote routing
  • Integrated 3D printed Cotic chain guide and a regular threaded bottom bracket bring drivetrain security and reliability
  • Rear mech cable routed internally through the steel seatstay for clean lines and low noise
  • Custom forged swingarm heads for stiffness and tyre clearance
  • 6066-T6 aluminium swingarm with Syntace X-12 BOOST148 x 12 rear axle for maximum wheel stiffness on larger wheels.
  • 15mm pivots for BB and droplink thru axle style linkage clamp keep the frame solid front to rear
  • 1 bottle mount
  • Clearance for big tyres - 29 x 2.5"
  • Optimised around 160mm forks for great balance of speed and precision.
  • 160mm of Cotic droplink suspension brings traction, fun and interaction via a strong progression rate
  • Sizes - Small (390mm), Medium (425mm), Large (460mm) or XL (495mm)


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 30-35mm stem. It's a game changer. 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.

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. 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 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.

160mm travel forks

Frame Size Small Medium Large XL
Seat Tube (centre-top) 390mm 425mm 460mm 495mm
Top Tube Length (Effective) 604mm 631mm 657mm 686mm
Head Angle 63.5° 63.5° 63.5° 63.5°
Actual Seat Angle (at 720mm BB-saddle height) 75.8° 75.8° 75.8° 75.8°
Actual Seat Angle (at 815mm BB-saddle height) 75.5° 75.5° 75.5° 75.5°
Chainstay Length 448.2mm 448.2mm 448.2mm 448.2mm
BB Drop -27mm -27mm -27mm -27mm
Head Tube Length 100mm 110mm 120mm 130mm
Reach 443.0mm 467.0mm 490.0mm 515.0mm
Stack 620.4mm 629.3mm 638.3mm 647.2mm
Wheelbase 1234.3mm 1262.3mm 1290.3mm 1319.3mm
Usual Height Range 165cm - 172cm 169cm - 180cm 178cm - 188cm 186cm - 195cm
Stem Length 25-45mm 25-45mm 25-45mm 25-45mm
Frame Wheel Travel 160mm 160mm 160mm 160mm
Wheel Size 29" 29" 29" 29"
Max Tyre Size 29 x 2.5" 29 x 2.5" 29 x 2.5" 29 x 2.5"
Maximum Seatpost Insertion (including actuator mechanism) 164mm 199mm 235mm 270mm
All measurements are static based on 160mm travel fork/571mm static length. Seatpost Maximum insertion is guidance based on leaving 25mm clear below the actuator for any hose or cable to route through our frames. Your post may need less, or more, or if you use an externally routed dropper you won't need this margin at all.

6 ¼" travel forks

Frame Size Small Medium Large XL
Seat Tube (centre-top) 15.35” 16.7” 18.1” 19.5”
Top Tube Length (Effective) 23.75” 24.85” 25.85” 27.05”
Head Angle 63.5° 63.5° 63.5° 63.5°
Actual Seat Angle (at 720mm BB-saddle height) 75.8° 75.8° 75.8° 75.8°
Actual Seat Angle (at 815mm BB-saddle height) 75.5° 75.5° 75.5° 75.5°
Chainstay Length 17.7” 17.7” 17.7” 17.7”
BB Drop -1.06" -1.06" -1.06" -1.06"
Head Tube Length 3.9” 4.3” 4.7” 5.1”
Reach 17.5" 18.4" 19.3" 20.3"
Stack 24.4" 24.8" 25.2" 25.5"
Wheelbase 48.6" 49.6" 50.8" 51.9"
Usual Height Range 5ft 5in - 5ft 8in 5ft 7in - 5ft 11in 5ft 10in - 6ft 2in 6ft 0in - 6ft 5in
Stem Length 25-45mm 25-45mm 25-45mm 25-45mm
Frame Wheel Travel 6.3" 6.3" 6.3" 6.3"
Wheel Size 29" 29" 29" 29"
Max Tyre Size 29 x 2.5" 29 x 2.5" 29 x 2.5" 29 x 2.5"
Maximum Seatpost Insertion (including actuator mechanism) 164mm 199mm 235mm 270mm
All measurements are static based on 160mm/6.3" travel fork/573mm static length. Seatpost Maximum insertion is guidance based on leaving 25mm clear below the actuator for any hose or cable to route through our frames. Your post may need less, or more, or if you use an externally routed dropper you won't need this margin at all.

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 our Race Team. They are fully certified and lab tested in excess of the requirements of ISO4210 safety standards.

For this frame the majority of the production process happens right here in the UK! The skilled guys at Five Land Bikes in Scotland manufacture the Reynolds 853 front triangle in small batches, to their exacting standards. This is married to our proven rear ends and linkages from our excellent suppliers in Taiwan, as found across our droplink range. Much of the remaining machined parts are made by Superstar Components in Lincolnshire.

All the major 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. The graphics on these frames are masked and painted, rather than stick on decals, for a seamless top quality look beyond anything you would normally expect on a production bike. After Five Land Bikes have completed this painstaking hand finishing process and their rigorous QC, the frame parts undergo further checking by us before assembly at our HQ in the Peak District.

As a final added extra, all UK made frames are Datatag'd from the factory. You will receive all your Datatag documents with your frame or bike when it's delivered.

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.

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Seatpost diameter: 31.6mm (get 380mm long minimum)

Front Mech: Not applicable - 1x drivetrains only.

Fork: Maximum 160mm travel, 573mm axle-crown (without sag)

Bottom Bracket width: 73mm

Bottom Bracket thread: Conventional English/BSA

Chainline: 52mm Shimano / 53mm Boost chainline for up to 32t round/30t oval chainring, 55mm Shimano chainline for up to 36t round/34t oval chainring

Chainguide Mounting: ISCG05 bottom 2 tabs. Integrated Cotic x OneUp Components Top Guide (included with frame or bike)

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: Syntace X-12 Type 1 (Conventional or Shimano Direct Mount)

Shock: 230 x 62.5 AIR SHOCK ONLY (60mm stroke works too)

Shock Fittings: 15.75 x M8 Down Tube End, 24.0 x M8 Seatstay End

Dropper Post Routing: Stealth via the down tube

Rear Brake Mounting: I.S. Compatible with up to 203mm diameter rotors