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2016 CUBE

Reaction HPA Pro

A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with high-end components.
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Weight24.5 lbs  
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox Reba
Wheels27.5″ / 29″ Aluminum
Drivetrain2 × 11
GroupsetXT
BrakesMagura Hydraulic Disc
Where to Buy
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

Reaction HPA Pro

27 mph

Similar Bikes

Highest gear

(descending)

Reviews
off.road.cc
Cube Reaction GTC One

Oct 2017

If you're after a seriously rapid and lightweight cross-country race bike then Cube's Reaction series of hardtails has always delivered, but the Reaction GTC One gets the added benefit of Shimano's clever Di2 electric shifting at a bargain price. The complete buyer's guide to mountain bikes - how get the best bike for you Review: Ritchey P-29 - a steel, short-travel hardtail with heritage Prefer drop bars?

Read Review

BikeRadar
Cube Reaction HPA Pro review

Nov 2016 · What Mountain Bike

Cube’s alloy Reaction delivers a super competitive complete package for those who prefer a tighter, sharper ride from their 29er. Buy if you're after a competitive and complete 29er package and like a tight and sharp ride

Highs
  • Fast, agile ride

  • Accurate shifting

  • Lightweight

Lows
  • RockShox fork isn't as smooth as some forks on similarly priced bikes, tyres are puncture prone

Read Review

Dirt Mountainbike
Cube Reaction GTC SL 29 First Look

Jun 2014 · Dirt HQ

The Cube Reaction GTC SL 29 is ready to hit the trail for some fast trail action or race, whether a short cross-country affair or something longer...

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Specs
Build
Frame

HPA Superlite, Advanced Hydroforming, Triple Butted, ARG, Tapered Headtube, Internal Cable Routing, PressFit BB

BB StandardBSA, 73mm, Threaded

Fork

Rock Shox Reba RL, Fast Black, PushLoc, 15QR Maxle, Tapered, 100mm

Travel100mm

Spring TypeAir

Bottom Bracket

BSA, 73mm, threaded

Headset

FSA Orbit Z-t, Top Zero-Stack 1 1/8" (OD44mm), Bottom Integrated 1 1/2"

Stem

CUBE Performance Stem Pro, 31.8mm

Handlebar

CUBE Flat Race Bar Pro, 720mm

Saddle

Selle Italia SC1

Seatpost

CUBE Prolight, 27.2mm

TypeRigid

Grips

CUBE Performance Grip

Groupset
Rear Derailleur

Shimano XT, RD-M8000-DGS, ShadowPlus, 11-Speed, Direct Mount

Front Derailleur

Shimano XT, FD-M8020-D, Direct Mount, Side Swing

Crank

Shimano XT, FC-M8000, 36x26T, 175mm

Shifters

Shimano XT SL-M8000

Cassette

Shimano XT CS-M8000, 11-40

Chain

Shimano CN-HG600-11

Brakes

Magura MT2, Hydr. Disc Brake (180/160)

TypeMagura Hydraulic Disc

Wheels
Rims

Answer Atac MA, 28/28 Spokes, 21C Tubeless-Ready Rim, 15QR/X12

Tires

Front: Schwalbe Rocket Ron, Kevlar, 2.25, LiteSkin, Rear: Schwalbe Racing Ralph Kevlar, 2.25, LiteSkin

Rider Notes
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First added April 14

Last updated April 14

Not listed for 2,970 days