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Brand: Cube

Cube Reaction Pro Hardtail Mountain Bike

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The Reaction Pro is all about the ideal blend of function, reliability and performance.

Features

  • That's why we began with the precision of Shimano's XT 1x12 gears, because they offer an enormous range and an unparalleled reputation for accuracy.
  • We added Shimano hydraulic disc brakes for their reliable all-weather stopping performance to help keep you safe, whether you're out in the hills or battling across town.
  • And we finished with the RockShox Judy Silver air fork, because it combines easy adjustability and a remote lockout with trail-smoothing alacrity.
  • It's the complete package.
  • The Reaction'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, plus a flat disc mount that integrates seamlessly with our kickstand mount and integrated mounting points for ACID mudguards and carrier.
  • Trail-ready geometry includes a lower top tube and tapered head tube for more confident handling, and there's plenty of room to run wide, grippy and comfortable 2.25in tyres.
  • And, as your skills increase, there's scope to fit a dropper post upgrade.

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 Stem SLX, FPI-Link, 31.8mm
  • Handlebar: CUBE Rise Trail Bar, 680mm
  • Grips: ACID Icon
  • Rear Derailleur: Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed
  • Shifters: Shimano XT SL-M8100
  • Brakes: Shimano BR-MT410, Hydr. Disc Brake (180/160)
  • Bottom Bracket: Prowheel BSA PW-MB68
  • Crankset: Shimano FC-MT511, 32T, Boost
  • Casette: Shimano Deore CS-M6100, 10-51T
  • Number of Gears: 12
  • Chain: KMC X12
  • Rims: ACID EX25, 32H, Disc, Tubeless Ready
  • Front Hub: Shimano HB-QC300, QR, Centerlock
  • Rear Hub: Shimano FH-QC500-MS, QR, Centerlock
  • Tyres: Schwalbe Racing Ralph, Addix Performance, Kevlar, 2.25
  • Pedals: ACID PP MTB
  • Saddle: ACID Venec Lite
  • Seatpost: CUBE Performance Post, 27.2mm
  • Weight: 13,60kg

Size Guide

Geometry

Cube Bicycles 2026
Manufacturer's Code: 143120S, 143120M, 143120L, 143120XL, 143110XL, 143110XXL, 143100XS, 143100S, 143100M, 143100L, 143100XL, 143100XXL, 143120XS, 143110XS, 143110S, 143110M, 143110L
Barcodes: 4054571507426, 4054571507433, 4054571507440, 4054571507457, 4054571507396, 4054571507402, 4054571507297, 4054571507303, 4054571507310, 4054571507327, 4054571507334, 4054571507341, 4054571507419, 4054571507358, 4054571507365, 4054571507372, 4054571507389
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