Cube Reaction SLX Mountain Bike 2025 - Hardtail MTB
The Cube Reaction SLX with its lightweight aluminium frame is paired with a RockShox Judy Silver air fork for smooth suspension performance, while Shimano XT 1x12 gears offer precise shifting. The Shimano XT hydraulic disc brakes provide exceptional stopping power, ensuring confident control on steep descents. Tubeless-ready wheels and fast-rolling Schwalbe Racing Ralph tyres enhance traction and handling on varied terrain, making the Reaction SLX your perfect trail companion.
Key Features:
- Frame: Aluminium Lite frame with Smooth Welding, internal cable routing for sleek looks and durability
- Fork: RockShox Judy Silver TK Air, 100mm travel with PopLoc remote lockout for smooth trail control
- Drivetrain: Shimano XT 12-speed for crisp, reliable shifting across any terrain
- Brakes: Shimano XT hydraulic disc brakes for powerful, progressive stopping performance
- Wheels: CUBE EX25 tubeless-ready wheels with Schwalbe Racing Ralph 2.25” tyres for excellent grip and speed
- Standout Feature: Internal cable routing and sleek, modern frame design with upgrade-ready features
- Finance Option: Available with 0% APR finance
The Cube Reaction SLX is all about precision and performance on the trails. The Aluminium Lite frame with Smooth Welding technology ensures a lightweight yet strong platform, while internal cable routing gives the bike a clean, low-maintenance aesthetic. Trail geometry with a lower top tube and tapered head tube enhances rider confidence by offering improved handling on technical terrain. With 2.25" Schwalbe Racing Ralph tyres and tubeless-ready wheels, you’ll have the grip and speed needed for fast, fun rides.
The Shimano XT 12-speed drivetrain provides a wide range of gears for climbing and descending, with ShadowPlus technology keeping the chain secure and quiet. The RockShox Judy Silver air fork delivers 100mm of travel for absorbing bumps, while the PopLoc remote lockout feature allows you to lock the fork on smoother sections for added efficiency. Shimano XT hydraulic disc brakes ensure you can stop with precision and confidence, even in wet or muddy conditions.
Ready to tackle your next adventure, the Cube Reaction SLX has everything you need for trail exploration, with scope for future upgrades like a dropper post, making it a bike that can grow with your skills. Whether you're heading out for cross-country loops or technical descents, the Reaction SLX will keep you riding at your best.
Occasionally, without notice, manufacturers change product design and/or specifications.
| 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 |
| Headset | CUBE FPH868, Semi-Integrated |
| Stem | CUBE Performance CPS-Race |
| Bars | CUBE Rise Trail Bar, 680mm |
| Front Brake | Shimano XT BR-M8100, Hydr. Disc Brake, PM/FM (160/180) |
| Rear Brake | Shimano XT BR-M8100, Hydr. Disc Brake, PM/FM (160/180) |
| Rear Mech | Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed |
| Shifters | Shimano XT SL-M8100-IR, Direct Attach |
| Speed | 12 |
| Rims | CUBE EX25, 32H, Disc, Tubeless Ready |
| Front Hub | Shimano HB-QC300, QR, Centerlock |
| Rear Hub | Shimano FH-QC500-MS, QR, Centerlock |
| Front Tyre | Schwalbe Racing Ralph, Addix Performance, Kevlar, 2.25 |
| Rear Tyre | Schwalbe Racing Ralph, Addix Performance, Kevlar, 2.25 |
| Seat Post | CUBE Performance Post, 27.2mm |
| Saddle | ACID Venec Lite |
| Chainset | Shimano FC-MT611, 32T, Boost |
| Bottom Bracket | Prowheel BSA PW-MB68 |
| Chain | KMC X12 |
| Cassette | Shimano Deore CS-M6100, 10-51T |
| Pedals | CUBE PP MTB |
Cube Reaction Size Chart
|
Size |
Height (cm) | Height (ft) |
|
XS |
152 - 160 | 5’0” – 5’3” |
|
S |
159 – 167 | 5' 2" - 5' 6" |
|
M |
166 – 177 | 5' 5" - 5' 10" |
| L | 175 – 185 | 5' 9" - 6' 1" |
| XL | 184 - 193 | 6’1” – 6’4” |
| XXL | 192 - 198 | 6’3” – 6’6” |
What size frame do I need if I am between sizes? - read here
Customer reviews and Q&A's are disabled because you declined functional cookies.
To enable reviews and Q&A's click the 'Cookie Settings' button below and enable functional cookies.
Cube Reaction SLX Mountain Bike 2025 - Hardtail MTB
Cycle to Work is a salary sacrifice scheme, where you can save up to 42% off a new Bike and Safety equipment. This means the cost is deducted from your salary as a non-cash benefit, so you save on tax and national insurance.
Here at Tredz, we accept Cycle to Work vouchers from all national schemes. For more information click here.
At Tredz we make finance easy. You can choose from a range of flexible finance repayments from 6 months up to 48 months, choose to place a deposit and pay the balance on finance. Go with a 0% APR finance deal with absolutely no interest on payments, or a 9.9% APR Buy Now Pay later option with a choice of 12 or 24 deferred payment options, or a longer-term 14.9% APR option with lower monthly payments. For more information click here.
At Tredz, we’re committed to bringing you the best products at the best prices. If you find a product cheaper elsewhere, simply contact us for an immediate response using our live chat service. Click here to discuss your price match with an agent now for help.
Subject to Terms and Conditions
At Tredz, we offer a fast high quality service, with a range of options from free delivery on orders over £30, next day and convenient click & collect from one of our stores. Simply select within the checkout.
*Courier deliveries to Northern Ireland, Isle of Man, Isle of Wight, Channel Islands and the Scottish Highlands/Islands will incur a charge.At Tredz, if you are not 100% happy with your order, then you can use our simple hassle free returns service. Simply return the item new and unused in the manufacturers original packaging within 365 days of purchase. Bikes and larger items are collected by courier.
When you receive your bike, all you'll need to do is unpack it, attach the pedals, turn the handlebars and ride.
To help you get started we have put together a handy Bike Building Guide, click here.