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Today’s DealsReaction HPA Pro
A 27.5″ / 29″ aluminum frame hardtail crosscountry bike with high-end components.
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| Weight | 24.5 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Hardtail, 100mm |
| Fork | RockShox Reba |
| Wheels | 27.5″ / 29″ Aluminum |
| Drivetrain | 2 × 11 |
| Groupset | XT |
| Brakes | Magura Hydraulic Disc |

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?

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
Fast, agile ride
Accurate shifting
Lightweight
RockShox fork isn't as smooth as some forks on similarly priced bikes, tyres are puncture prone
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...
| Frame | HPA Superlite, Advanced Hydroforming, Triple Butted, ARG, Tapered Headtube, Internal Cable Routing, PressFit BB BB Standard: BSA, 73mm, Threaded |
|---|---|
| Fork | Rock Shox Reba RL, Fast Black, PushLoc, 15QR Maxle, Tapered, 100mm Travel: 100mm Spring Type: Air |
| 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 Type: Rigid |
| Grips | CUBE Performance Grip |
| 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) Type: Magura Hydraulic Disc |
| 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 |
First added April 14
Last updated April 14
Not listed for 2,970 days