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The CUBE Reaction TM Pro is the heart of the Reaction range. To the designers, that means one thing: they can really go to town. The combination of the new RockShox Sektor fork and 2.6" Kenda Hellkat and Nevegal 2 tires serves up a serious dose of technical trail-taming ability, backed up by the Kind Shock LEV dropper post - so you can tackle steeps with ease - and a Newmen cockpit with 760 mm handlebar for superb control. With powerful hydraulic disc brakes to keep your speed in check and a 1x11-speed SRAM NX transmission with a Race Face Ride crankset, you've everything you need to take the fight to the mountain... and come out on top. 

When you're hammering your favorite trails as hard as you can, you need to know that your bike isn't going to let you down. That's why CUBE threw all their aluminium frame building know-how at the Reaction TM Pro, starting with a triple butted, hydroformed tubeset for the best combination of low weight and exceptional strength. The tapered head tube, carefully crafted main tube profiles and Boost thru axle at the rear create a torsionally stiff structure that transmits all your effort to the rear wheel - whilst ensuring steering so accurate, it's almost as though the CUBE Reaction TM Pro is directly linked to your brain. Internal cable routing complements the frame's svelte looks and means you can spend your time riding, not fiddling with your gears. And CUBE didn't forget comfort, either. Those slim seat stays and the slender 27.2 mm seatpost are there for a reason: they help take the edge off the big hits, so long days in the saddle are a pleasure rather than a pain. Is it the ultimate trail-taming hardtail? CUBE think it might be. See for yourself... 

  • Aluminium Lite - 6061 aluminium alloy requires a heat treatment for the finished product. It is a stiff, very corrosion resistant, fatigue resistant, high-elongation material suitable for light tubesets with high stiffness.
  • Advanced Hydroforming - Conventional hydroforming processes cannot achieve these custom shapes and technical advantages. As this manufacturing method reduces the number of welds, the weight is reduced while durability is increased.
  • Agile Ride Geometry - CUBE ran innumerable tests to develop the Agile Ride Geometry in CUBE's series of big wheel bikes. They also added the 27.5" wheel size to the very well received portfolio. Three important details lead to the very agile character. Increased fork offsets let CUBE achieve the same trail as their 26" bikes without having to steepen the head angle, thus maintaining generous toe clearance to the front wheel. Secondly they shortened the chain stays without compromising the seat angle. CUBE invented a patented construction to mount the front derailleur to give them more tire clearance while keeping a conventional seat angle, leading to a perfect riding position for every rider size. Last but not least they kept the BB height the same as on their 26" bikes. These measures lead to a natural riding position. Every mountain biker will feel immediately at home on a CUBE 29er or 27.5".
  • Stealth Ready - Dropper seat posts are getting more and more widespread, but to integrate them optimally in the frame, they have to be factory fitted. With the Stealth Ready frames, it is possible to build in a dropper seat post with internally routed cables, which besides the clean look, helps prevent any cables getting jammed. The exit of the cable on the frame if not required will be sealed with a cover for protection.
  • Integrated Cable Routing - Internally routed cables offer many advantages. Cables are protected from dirt for longer life, weight is saved thanks to the absence of external housing and the bike has a clean, sleek appearance.
  • Wet Paint Surface - On polished, brushed aluminium and all HPC frames, the logos and graphics are applied in multi-layer wet paint. CUBE use this surface treatment technology mainly to save weight.


Fact Sheet of CUBE REACTION TM Pro - 27.5" Mountainbike 

Product Name: CUBE REACTION TM Pro - 27.5" Mountainbike - 2019 - grey/orange
Manufacturer: CUBE Bikes
Item Code: CUB393040
Year: 2019
Manufacturer item code: 215110
Material: aluminium
Weight: approx. 13,60 Kilogram (manufacturer information)
Frame: Aluminium Lite, Trail Motion Geometry, AMF, ARG, Internal Cable Routing, Easy Mount Kickstand Ready, Tapered Headtube, Press Fit BB
Headset: FSA Orbit I-t | integrated, top 1 1/8", bottom 1 1/2"
Fork: RockShox Sektor, Tapered, 15x110 mm, 130 mm
Stem: Newmen Evolution 318.4, 31.8 mm
Bar: Newmen Evolution 318.20, 760 mm
Grips: CUBE Race Grip 31 mm, 1-Clamp
Saddle: Natural Fit Active
Seatpost: Kind Shock LEV SI, Handlebar Lever, 27.2 mm, 120 mm
Crankset: Race Face Ride Cinch, 32T, 170 mm
Rear Derailleur: SRAM NX long cage, 11-speed
Shifter: SRAM NX Trigger
Sprocket: SRAM PG-1130, 11-42T
Chain: SRAM 11-speed
Brakes: Magura MT Thirty | hydraulic disc brake | 180/180 mm
Rims: Rodi TRYP 35, 32H, Disc, Tubeless ready
Hubs: front: CUBE DHF112
rear: CUBE MZ5R
Tires: front: Kenda Hellkat ATC, 2.6
rear: Kenda Nevegal 2 ATC, 2.6

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