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2025 Cotic

RocketMAX Bronze Deore

A 29″ steel frame full suspension enduro bike with upper mid-range components.
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Manufacturer Price

£3,999($5,364)
FrameSteel
SuspensionFull, 155 / 170mm
ForkRockShox Domain
ShockRockShox Deluxe Select+
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetDeore
BrakesShimano Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
RocketMAX Bronze Deore
Other Enduro bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

RocketMAX Bronze Deore

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full RocketMAX model range

View Comparison
Sizing
C1

5'3" – 5'8"

C2

5'6" – 5'11"

C3

5'9" – 6'1"

C4

5'11" – 6'3"

C5

6'0" – 6'5"

Rider Fit Notes

None yet.

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Reviews

Summary

The Cotic RocketMAX is celebrated for its stable and confident handling, balanced suspension, and impressive speed-carrying ability, making it a standout in the enduro category. Its design allows for easy customization and maintenance, with a focus on rider comfort and control. While it excels in many areas, some riders note issues with chain-slap noise and a rear end that could be more forgiving on rough tracks.

Pros
  • Stable and super-confident through the turns

  • Balanced suspension feel

  • Carries speed well

  • Direct-to-consumer, easy-to-customise build options

  • Quality finish

Cons
  • Chain-slap noise can become distracting

  • Not as forgiving as some in the rough

  • Rear end isn't as forgiving on steppy, rocky tracks

Key Quotes
The RocketMAX Gen4 Mullet Silver is a proper winch-and-plummet mountain bike.
BikeRadar logoBikeRadar
Cotic’s aim with this frame construction is to deliver a light and lively feeling frameset that remains robust and helps to dampen out trail chatter.
Loam Wolf logoLoam Wolf
The Cotic RocketMAX Gen 4 is an amazingly capable mountain bike that exudes a level of calmness, control and – yes – comfort that makes it unique.
Singletrack World logoSingletrack World

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Loam Wolf
Review: Cotic RocketMax MX

Dec 2024 · Caitlin Wilkinson

The Cotic RocketMax MX is a capable enduro bike with a penchant for speed with a solid yet comfortable steel frame construction.

Highs
  • Light and lively feeling frameset

  • Robust construction dampens trail chatter

  • Mostly external cable routing for easy maintenance

  • Integrated 3D printed chain guide and molded chainstay protection

  • Adjustable wheel configuration (29er or mullet)

  • Range of adjustability for rear wheel travel

  • Five sizes available with low seat tube heights for desired fit

  • Aggressive Longshot geometry designed for shorter stem lengths

  • Range of builds to suit most preferences and budgets

  • Option for build adjustments and full custom builds

Lows
  • External cable routing doesn’t present an ultra-clean look

  • No built-in flip chips for geometry & suspension kinematic adjustments

Read Review

Singletrack World
Cotic RocketMAX Gen 4 long term review

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.

Read Review

BikeRadar
Cotic RocketMAX Gen4 Mullet Silver review

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

Highs
  • Stable and super-confident through the turns

  • Balanced suspension feel

  • Carries speed well

Lows
  • Chain-slap noise can become distracting

  • Not as forgiving as some in the rough

Read Review

MBR
Cotic RocketMax 150 Gold XT review - MBR

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 »

Highs
  • Great off-camber traction.

Lows
  • Could be lower and slacker.

Read Review

Geometry
Specs
Build
Fork

Rock Shox Domain RC 29 Maxle Boost Black - 170mm

Travel170mm

Spring TypeAir

Shock

155mm travel - Rockshox Deluxe Select Plus 230x62.5

Travel155mm

Bottom Bracket

Shimano MT501 Deore Bottom Bracket

Headset

Cane Creek Headset 40 Series ZS44/EC44

Stem

Cotic SHORTERSTEM - 35mm

Handlebar

Cotic Calver Bars - 780 x 25 rise, 5deg up, 9deg back (black)

Seatpost

SDG Tellis V2 31.6 Seatpost 170mm drop

TypeDropper

Groupset
Rear Derailleur

Deore M6100 1x12 Drivetrain

Crank

Deore M6100 Chainset with 12 speed 32t chainring

Cassette

Deore 12spd 10-51 Cassette

Brakes

Pair of Shimano rotors 203/203 6bolt for Zeb

TypeShimano Hydraulic Disc

Wheels
Rims

Halo Ridgeline II Wheels Boost 29 12spd

Tires

WTB 29 Vigilante 2.6 Light High Grip and Trail Boss 2.6 Light Fast with tubeless kit

Rider Notes
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First added July 12

Last updated February 28

Not listed for 90 days