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Brand: Cube

Cube Reaction SLX Hardtail Mountain Bike

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What do you do to improve the ride of a great bike that already features great components? You fit better brakes.

Features

  • The Reaction SLX's Shimano XT hydraulic disc brakes' powerful, progressive control doesn't just help keep you safe, it also helps you ride faster and have more fun.
  • Combined with the smooth control of the RockShox Recon Silver air fork and easy shifting and huge range of the Shimano XT 1x12 gears, you're pretty much all set.
  • The Schwalbe Racing Ralph 2.25in tyres – fast-rolling, smooth and grippy – round out the complete trail exploring 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 Recon Silver RL Air, 100mm, OneLoc
  • 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-IR, Direct Attach
  • Brakes: Shimano XT BR-M8100, Hydr. Disc Brake, PM/FM (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: ACID SLX, 15mm, Boost, 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: 13,50kg

Size Guide

Geometry

Cube Bicycles 2026
Manufacturer's Code: 143210XS, 143210S, 143210M, 143210L, 143210XL, 143210XXL, 143200XS, 143200S, 143200M, 143200L, 143200XL, 143200XXL
Barcodes: 4054571507532, 4054571507549, 4054571507556, 4054571507563, 4054571507570, 4054571507587, 4054571507471, 4054571507488, 4054571507495, 4054571507501, 4054571507518, 4054571507525
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