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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

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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