2023 CUBE

REACTION TM

A 29″ / 20″ aluminum frame hardtail trail bike with high-end components.
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Manufacturer Price

€1,399($1,537)
Weight32.8 lbs  
FrameAluminum
SuspensionHardtail, 130mm
ForkRockShox 35 Silver
Wheels29″ / 20″ Aluminum
Drivetrain1 × 12
GroupsetNX Eagle, SX Eagle
BrakesHydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
REACTION TM
Other Trail bikes
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)

24 mph

REACTION TM

26 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full REACTION model range

View Comparison
Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Price History
Reviews
MBR
Cube Reaction Pro hardtail review - MBR

Feb 2023 · Seanwhite

Cube has just two models in its Reaction HPA range of hardtails. The longer travel TM with a 130mm travel fork and this, the Pro, with a more XC-orientated 100mm Rock Shox Judy leading the charge. And it’s not just the fork travel that sets them apart; they have completely different alloy frames. Best hardtail mountain bikes As you’d expect, the geometry numbers differ between both bikes, but so does the seat tube diameter, rear brake mount, bottom bracket standard and sizing structure. Need to know: Sorted lock-on grips are best of the bunch Full Shimano 12-speed drivetrain performed faultlessly in all conditions RockShox PopLoc remote lets you lock out the 100mm travel Judy fork Shimano XT brakes provide powerful, consistent stopping power With that in mind, you could be forgiven for thinking that the Reaction Pro is an out and out, lightweight XC focused aluminium race hardtail filling the same niche – and price point – as Giant’s XTC. But drill down on the details and it quickly becomes apparent that this bike shares the same aluminium frame as the £1,149 Attention SL hardtail that we tested back in the summer of 2022. To bring you up to speed, we had mixed feelings about that bike. Yes it was well finished and had a stellar build kit, but the sizing and geometry both felt very dated. With the same frame pitched against three hardtails with a definite XC focus, where headline weights and long, fast-paced rides are near the top of the design brief, would the Reaction Pro make more sense? Before we answer that question, let’s take a closer look at the bike. The Reaction Pro is offered in two colours; the stealthy black finish that we have on test and a sparkling Switchblue ’n’ Black. The frame has a clean, minimalist finish, without the visual bulk of some aluminium frames. Its sleek silhouette accentuated by the slender 27.2mm diameter seatpost – a rare sight now, as are the traditional quick release rear dropouts with 135mm hub spacing. In that respect the frame shows its age, which makes it even more surprising to see that it has a flat mount standard for the rear brake, something that only recently arrived on mountain bikes. With five frame sizes available, Cube has taken a similar approach to Trek and designed the size small around 27.5in wheels, with the four larger bikes all benefiting from the improved roll over of the bigger 29in wheel. It’s a sound move as the lengthy 447mm chainstays on this XL are replicated on all of the 29in wheel options and would be way too long for smaller riders. And while size-specific chainstay lengths are starting to appear on trail hardtails, they are still a rare sight on hardtails from mainstream brands. And while the chainstays are long, reach measurements are short. Jump on the Cube straight after riding the Giant and although both are marked as XL frame sizes, the difference in fit is remarkable. …Continue reading »

Highs
  • Shimano finishing kit

Lows
  • Dated geometry and sizing

Read Review

BikeRadar
Cube Reaction C:62 SL review

Jul 2020 · Tom Marvin

Fast reactions to pedal inputs help on climbs, but the stiff chassis affects descending capability

Highs
  • Instant acceleration

  • Impressive spec, with well-chosen components across the board

Lows
  • Harsh ride chokes descending speed and rough-trail acceleration

  • Tyres are thin and need higher pressures to prevent punctures, adding to the uncompromising ride feel

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Aluminium Lite, Trail Motion Geometry, AMF, ARG, Internal Cable Routing, Easy Mount Kickstand Ready, Tapered Headtube, Press Fit BB, Fits up to 2.8" 27.5+ Tires

BB StandardBB86/BB92, Press Fit

Tire Clearance2.8"

ColorCaramel’n’black

Fork

RockShox 35 Silver TK Air, 15x110mm, Tapered, 130mm

Travel130mm

Spring TypeAir

Bottom Bracket

SRAM DUB MTB, 92mm Pressfit

Headset

VP Integrated, Top 1 1/8", Bottom 1 1/2"

Stem

Newmen Evolution 318.4, 31.8mm

Handlebar

Newmen Evolution 318.20, 760mm

Saddle

Natural Fit Venec Lite

Seatpost

CUBE Dropper Post, Handlebar Lever, Internal Cable Routing, 30,9

TypeDropper

Pedals

ACID PP MTB

Grips

ACID React Pro

Groupset
Rear Derailleur

SRAM NX Eagle™, 12-Speed

Crank

SRAM X1 1000 Eagle™ DUB 30T, Boost

Shifters

SRAM SX Eagle™ Trigger

Cassette

SRAM PG-1210 Eagle™, 11-50T

Chain

SRAM SX Eagle™

Brakes

Magura MT Thirty, Hydr. Disc Brake (203/180)

TypeHydraulic Disc

Wheels
Rims

CUBE EX30, 32H, Disc, Tubeless Ready

Front Hub

Shimano HB-MT400-B, 15mm, Boost, Centerlock

Rear Hub

Shimano FH-MT400-B, 12mm, Boost, Centerlock

Tires

Front: Maxxis Minion DHF, MaxxTerra/EXO+, Tubeless Ready, 2.5 WT, Rear: Maxxis Minion DHR II, MaxxTerra/EXO+, Tubeless Ready, 2.4 WT

Rider Notes
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Last updated May 4