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Today’s DealsRocketMAX Gen3 Mullet Silver Deore
A 29″ / 27.5″ steel frame full suspension enduro bike with upper mid-range components.
Compare the full range
| Frame | Steel |
|---|---|
| Suspension | Full, 160 / 160mm |
| Fork | RockShox Lyrik Ultimate |
| Shock | RockShox Deluxe Select+ |
| Wheels | 29″ / 27.5″ Aluminum |
| Drivetrain | 1 × 12 |
| Groupset | Deore |
| Brakes | Shimano Deore Hydraulic Disc |
| Seatpost | Dropper |
5'2" – 5'8"
5'6" – 5'11"
5'10" – 6'3"
6'1" – 6'7"
🐐 Estimated
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.
Sep 2023 · Ben Haworth
The Cotic RocketMAX Gen 4 is the brand's flagship big travel bruiser. Made-in-UK steel front triangle with 160mm of Droplink rear travel.

May 2023 · Robin Weaver
The RocketMAX is a formidable bike when pointed downhill. It carries speed impressively well and doesn’t fluster when railing turns hard
Stable and super-confident through the turns
Balanced suspension feel
Carries speed well
Chain-slap noise can become distracting
Not as forgiving as some in the rough

Oct 2022 · Alan Muldoon
Cotic is probably best known for its hardcore steel hardtails, originally the Soul and more recently the BFe. And what started out in the Peak District over 20 years ago as a relatively small direct sales operation to scratch owner/founder, Cy Turner’s itch, Cotic has grown in size but has always remained true to its roots. As the brand has evolved, so has the range of bikes it offers, the latest and most accomplished being the Gen 4 RocketMax, a full-suspension enduro bike that blends a custom 853 Reynolds tubeset with alloy chainstays. Need to know: Mechanics will love the external cable routing on the front triangle, but pretty it isn’t All UK make Cotic frames come with Datatag fitted at the factory Choose your shock and corresponding frame travel at checkout: 150mm, 155mm or 160mm Steel triangle for feel, alloy chainstay for power delivery. It’s a great combination. Frame The steel tubing for the front triangle is designed in Sheffield and immaculately welded in Scotland by Five Land Bikes. The top tube is ovalised and tapers neatly to merge seamlessly with the seat tube. Being a steel front triangle, there’s no shortage of reinforcing gussets around the head tube, while a small tube straddles the downtube and seat tube to shore up the bottom bracket area. As a result, the Cotic definitely looks more industrial, especially some of the pivot hardware, when sat next to the Hope or Orange. Bringing the manufacturing of the front triangle home, has enabled Cotic to increase the number of sizes it offers to five, C1 to C5, which equates to S to XXL. The length on the Gen 4 RocketMax has also increased, our size C3 test bike sporting a generous 488mm reach, making it the longest frame in test. An added bonus of the fifth size being that the jumps between each size are now tighter, so you’re much less likely to be stuck on either side of the sizing recommendations. Cotic’s Longshot geometry means the bike has been designed to handle optimally with a 35mm stem. And the increased reach isn’t simply about keeping up with the Joneses. Cotic also steepened the seat tube angles on the three biggest frame sizes, and it didn’t want to eat into the top tube lengths, so the reach had to increase. In terms of manufacturing the RocketMax is very much a bike of two halves. Not that you could tell by looking at it. The chunky alloy swingarm and slender steel seat stays are both produced in Asia. The two-piece seam welded alloy yoke that connects the main pivot to the chain stays provides the stiffness needed to ensure good pedalling efficiency and optimal tyre clearance. And given Cotic’s use of predominantly old world materials, the RocketMax is remarkably light: only 0.5kg heavier than the full carbon Hope HB916 and lighter than the aluminium Orange. Suspension Cotic’s DropLink suspension design is a single-pivot, where the shock is driven directly by an extension of the …Continue reading »
Great off-camber traction.
Could be lower and slacker.

Oct 2020 · Trev Worsey
Delicate, hesitant and relaxed – all words that aren’t in the Cotic RocketMAX’s vocabulary. You only have to look at its low-slung silhouette and slammed angles to know the RocketMAX is a hard-charging beast, but does it have a refined side?
Super stable and composed droplink suspension
Easy to ride fast on flat-out trails
Solid on the climbs
Complex shock makes setup tricky
SRAM G2 brakes underpowered
Demanding on tighter terrain
Sep 2019 · Guy Kesteven
The Cotic RocketMAX is a semi Scottish, steel-framed Enduro racer and the brand's longest, slackest and fastest bike ever
Capable handling
Durable steel frame
Seven spec choices
15.3kg weight
Bottle position
| Frame | Steel BB Standard: BSA, 73mm, Threaded |
|---|---|
| Fork | RockShox Lyrik Ultimate, Maxle thru-axle Travel: 160mm Spring Type: Air |
| Shock | RockShox Deluxe Select+, 230mm x 62.5mm Travel: 160mm |
| Bottom Bracket | Shimano Deore BB52, 73mm English/BSA threaded |
| Headset | Works 1° Angleset, EC44/EC44 |
| Stem | Cotic SHORTERSTEM, 35mm |
| Handlebar | Cotic Calver, 780mm width, 25mm rise, 5° upsweep, 9° backsweep |
| Saddle | Cotic |
| Seatpost | BikeYoke Devine dropper, 125mm drop Type: Dropper |
| Pedals | None |
| Grips | Cotic, lock-on |
| Rear Derailleur | Shimano Deore M6100, 12-speed |
|---|---|
| Front Derailleur | None |
| Crank | Shimano Deore M6100 |
| Shifters | Shimano Deore M6100, 12-speed |
| Cassette | Shimano Deore M6100, 12-speed, 10-51 tooth |
| Chain | Shimano Deore M6100, 12-speed |
| Chain Guide | Cotic integrated 3D-printed upper slider |
| Brakes | Shimano Deore M6100, 2-piston, Shimano 6-bolt rotors (203mm front, 180mm rear) Type: Shimano Deore Hydraulic Disc |
| Brake Levers | Shimano Deore M6100 |
| Rims | Hope Tech Fortus 35 wheelset |
|---|---|
| Spokes | Hope Tech Fortus 35 wheelset |
| Front Hub | Hope Tech Fortus 35 wheelset, 110x15mm Boost front, 148x12mm Boost rear with MICRO SPLINE driver |
| Rear Hub | Hope Tech Fortus 35 wheelset, 110x15mm Boost front, 148x12mm Boost rear with MICRO SPLINE driver |
| Tires | Front: WTB Vigilante, Light/High Grip, 29" x 2.6", Rear: WTB Trail Boss, Tough/Fast, 27.5" x 2.6" |
First added December 2
Last updated December 2
Not listed for 1,649 days