Key features

Shimano XT 12-speed rear derailleur — a genuine high-end trail component, rarely seen at this price
Huge 10-51T range: from the steepest climbs to full-speed descents, you're never caught in the wrong gear
ShadowPlus clutch keeps the chain quiet and stops it slapping on rough ground
RockShox Judy Silver Air fork (100 mm) with PopLoc: lock it out from the bar for road and climbs
Light 13.6 kg build with fast-rolling Racing Ralph tyres and Shimano hydraulic disc brakes

Cube REACTION PRO

A Shimano XT drivetrain on a 13.6 kg hardtail: the cross-country bike that punches well above its price.

Available sizes

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1 049,00 €

Pay in 3× €349.67 at no extra cost with Alma

Or finance your bike

Renting individual43,72 €/month

Store availability

Liège · Out of stock Brussels · Out of stock

Free delivery

Delivered ready to ride

Easy returns within 14 days

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Description

The Cube Reaction Pro in shiftblush'n'black is a cross-country hardtail with an unusually good hand of cards: at just 13.6 kg, it carries a genuine Shimano XT 12-speed rear derailleur — a top-tier trail component you rarely find at this level.

That XT mech is the real story. It's the culmination of decades of Shimano expertise: robust, precise and remarkably quiet, with ShadowPlus clutch technology that damps chain oscillation on rough ground — less noise, no chain slap, fewer dropped chains, and more of your attention on the trail. Paired with a wide 10-51T cassette, it gives you a gear for everything, from the steepest fire-road climb to a full-speed descent.

Up front, a RockShox Judy Silver TK Air fork with 100 mm of travel absorbs roots and rocks, and its PopLoc remote lets you lock it out from the handlebar the moment the trail turns to tarmac or a smooth climb — no reaching down mid-effort. Shimano hydraulic disc brakes deliver powerful, precise stopping in the wet and the mud, while fast-rolling Schwalbe Racing Ralph tyres (2.25") with Kevlar protection combine traction with low rolling resistance.

Ideal for cross-country riders and trail explorers who want a light, fast hardtail with a serious drivetrain, for forest paths, mountain tours and sporty weekend rides.

Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed

The trail reference. The Shimano XT RD-M8100-SGS rear derailleur is the culmination of decades of Shimano expertise applied to the most demanding terrain. Robust, precise and remarkably quiet, it stands out as the natural choice for riders who make no compromise on the quality of their transmission. ShadowPlus technology reduces chain oscillation on bumpy terrain thanks to an adjustable friction system on the tread — less noise, less chain skipping, more concentration on riding. The SGS (Super Extra Long) version offers the maximum yoke capacity to absorb the entire development range of the widest 12-speed cassettes, up to 51 teeth.

Shimano Deore CS-M6100, 10-51T

The transmission that opens all horizons. The Shimano Deore CS-M6100 cassette in 10-51T is the versatile reference for cyclists who want to cover as much ground as possible without ever being caught off guard. With an exceptionally wide development range - from the small chainring for the steepest climbs to the large one for full-speed descents - it adapts to all terrain profiles and all levels of practice. Designed for Shimano Deore 12-speed transmissions, it combines lightness, shifting precision and proven durability. The profiled teeth and optimized shift ramps guarantee smooth and quiet gear changes, even under load – a quality usually found on much higher-end groupsets.