With Cube's brand-new Acid, they reckon it's time to reassess how good you think a trail hardtail can be. Cube started with Sram's NX Eagle 1x12 transmission, because it has the range and performance you'll need for off-road adventures.

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Cube has added a RockShox Judy Silver Air fork, so that you have 100mm of smooth, adjustable travel on tap - with a remote lockout. They have added 2.25in tyres and strong Shimano hydraulic disc brakes, so you're always on top of things. And the whole lot is fitted to our revised, dropper-ready, SizeSplit Acid frame. The only thing missing is you.

Frame sizes XS (14") and S (16") come with 27.5" wheels, sizes M (18"), L (20"), XL (22") and XXL (24") are 29ers.

Key Features

• Rockshox Judy Silver suspension fork: For comfort and control.
• Disc Brakes: For reliable stopping in all conditions.
• Sram Eagle 12 speed: To get you up the steepest of hills.

Full specification

• Frame: Aluminium Lite, AMF, Double Butted, Internal Cable Routing, Tapered Head Tube, Flat Mount Brake, SIC Mount, FM Kickstand Mount
• Fork: RockShox Judy Silver TK AIR, 100mm, PopLoc
• Gear Shifters: Sram NX Eagle™ Trigger
• Chainset: Sram Stylo Eagle™ DUB, 32T, 170mm
• Chainrings: 32T
• Rear Cassette: Sram PG-1210 Eagle™, 11-50T
• Chain: Sram SX Eagle™
• Front Derailleur: N/A
• Rear Derailleur: Sram NX Eagle™, 12-Speed
• Bottom Bracket: SRAM Power Spline | 73mm BSA
• Pedals: ACID PP MTB
• Rims: CUBE ZX20, 32H, Disc
• Front Hub: Shimano Deore HB-M6000, QR, Centerlock
• Rear Hub: Shimano Deore FH-M6000 ,QR, Centerlock
• Front Tyre: Schwalbe Smart Sam, Active, 2.25
• Rear Tyre: Schwalbe Smart Sam, Active, 2.25
• Brakes: Shimano BR-MT200/UR300, Hydr, Disc Brake, PM/FM (180/160)
• Handlebars: CUBE Rise Trail Bar, 680mm
• Grips: ACID React
• Headset: CUBE FPH868, Semi-Integrated
• Stem: CUBE Performance Stem SLX, 31.8mm
• Saddle: Natural Fit Venec Lite
• Seatpost: CUBE Performance Post, 27.2mm
• Weight: 13.4Kg

Details

Completely revised, the brand-new Acid's sleek looks are thanks to its smooth-welded head tube and seat tube junctions. It incorporates a threaded bottom bracket and internal cable routing for long-lasting service and simple maintenance. There's even a flat disc mount that integrates seamlessly with the kickstand mount, and integrated mounting points for ACID mudguards and carrier. Updated geometry includes a lower top tube and tapered head tube for more confident handling, cables run internally for reduced maintenance, and there's plenty of room to run wide, grippy and comfortable 2.25in tyres. The SizeSplit system has an expanded range too, so however tall you are there'll be an Acid that fits perfectly. And, as your skills increase, there's scope to fit a dropper post upgrade.

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.

After the first few weeks of use, the whole bike will settle down. As a result, the gears may need tweaking, some nuts and bolts may need tightening and you may well need to check the adjustment of the saddle and handlebars.

CABLE STRETCH

Gears

Cable stretch tends to occur shortly after a new bike has been ridden a few times. A rear derailleur that we have tuned to hit every gear, nicely and quietly, may now not be making each shift causing a sensation and sound of “being in between gears”. Generally you may have to shift up, or shift down a couple times to quiet it down and settle the derailleur into a “happy gear”. A front derailleur may no longer want to shift all the way onto the big ring or will require a much firmer push to get it there. It is advisable to get the cable tension adjusted as soon as this happens either by your local bike shop. This tune up is considered a necessary part of any bicycles maintenance schedule and as such should not be ignored.

Brakes

Your brakes will also be affected by cable stretch (provided of course that they are NOT hydraulic in which case this does not apply). The symptom here is that they usually start to feel quite loose. i.e. you have to pull the lever much further back or harder in order to get the same stopping power you once had. This is partly why new bikes come with a first free service. If your brakes start feeling a little spongy after a few weeks, you can adjust them at the barrel or the clamp or ask a mechanic at your local bike shop to do it for you.

DISC BRAKES

New disc brakes won’t deliver their full power until the rotor and pads have bedded in. SRAM has a really good guide for bedding in disc brakes: “Accelerate the bike to a moderate speed and then firmly applying the brakes until you are at walking speed. Repeat this process 20 times. Then accelerate the bike to a faster speed and apply the brakes until you are at walking speed. Repeat this process ten times. It’s important that during this process you never come to a complete stop or lock up the wheels at any point.” Doing this process should drastically improve the performance of your brakes and prepare them for many happy rides.

CRANKS

Check the cranks and crank bolts or nut for tightness; grab a crank arm in each hand and try to wiggle them to check for looseness. If there is play in the cranks, the nuts or bolts may need to be tightened. Cranks should be checked after every ride for the first week.

HEADSET

A loose headset can be diagnosed by turning the front wheel to point left or right, holding the front brake on, and then rocking the bike backwards and forwards. Hold your fingers between the stem and the frame. Any movement indicates that you need to tighten the headset.

SADDLE

Check your seat post is not loose and that you have not exceeded the limit marked on the seat post. Once you have checked these, use an allen key to tighten the seat post clamp. Check the seat is secure by giving it another check once you have finished.

STEM

Check that your front wheel and stem do not move independently, and that your handlebar clamp bolts are tight. Perform this check by standing in front of the bike, holding the front wheel between your knees, and twisting the handlebars. You can prevent any movement by tightening the stem bolts and the handlebar clamp with an allen key.

SUSPENSION FORKS

Keeping your mountain bike’s suspension maintained is one of the best ways to ensure you’re getting all the performance you can out of your bike. Plus, giving your fork and shock a few seconds of attention here and there can prevent costly repairs or even replacements.

Dirt is the number one enemy of suspension. After every ride make sure to wipe the seal area and stanchions of your fork and shock. Wipe in a horizontal motion, not vertical as you don’t want to force any debris towards the seals.

Every few rides double check that your suspension sag is correct, as well as your rebound and compression adjustments. If something has changed, or the adjustments aren’t working as before, some maintenance is likely due.

Working on your bike at home can seem daunting, and we'd always recommend you take your bike to a qualified mechanic if possible.