REACTION PRO
CUBE
Crosscountry
REACTION PRO is an alloy cross-country mountain bike (2025), by CUBE, in the Reaction series. It suits a wide range of riders thanks to its fit flexibility, with a balanced riding position, and is best for smoother trails and efficient rolling. On MatchBikes metrics, it scores well for strong climbing friendliness for sustained uphill riding, strong value-for-money versus many similar bikes, and good fit flexibility for dialing in rider position. Compare this bike across categories on MatchBikes.com to see whether a nearby segment gives you a better fit.
7.4
Rating

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Score Summary
Performance
7.1
Value
9.5
Fit
6.5
Performance
Built for speed and efficiency
Speed
5.2
Low
Climbing Efficiency
9.6
Mountain Goat
Suspension
5.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
5.2
Balanced
Fit Flexibility
7.3
Adjustable
Ride Comfort
6.4
Balanced
Value
Value for Money
9.5
Exceptional Value
Surface Range
Flow TrailsSpecifications
General
Brand
CUBE
Model
REACTION PRO
Year
2025
Price
$1,058
Weight
13.5 kg
Category
Mountain
Sub Category
Crosscountry
Groupset
XT, Deore
Frame
Frame
Aluminium Lite, AMF, Double Butted, Internal Cable Routing, Tapered Head Tube, Flat Mount Brake, SIC Mount, FM Kickstand Mount
Suspension Fork
RockShox Judy Silver TK AIR, 100mm, PopLoc
Suspension Type
Hardtail
Drivetrain
Shift Levers
Shimano XT SL-M8100
Rear Derailleur
Shimano XT RD-M8100-SGS, ShadowPlus, 12-Speed
Cassette
Shimano Deore CS-M6100, 10-51T
Crank
Shimano FC-MT511, 32T, Boost
Bottom Bracket
Prowheel BSA PW-MB68
Chain
KMC X12
Wheels
Front Hub
Shimano HB-QC300, QR, Centerlock
Rear Hub
Shimano FH-QC500-MS, QR, Centerlock
Rims
CUBE EX25, 32H, Disc, Tubeless Ready
Tires
Schwalbe Racing Ralph, Addix Performance, Kevlar, 2.25
Brakes
Brake Type
Hydraulic Disc
Brake Description
Shimano BR-MT410, Hydr. Disc Brake (160/180)
Cockpit
Stem
CUBE Performance CPS-Race
Handlebar
CUBE Rise Trail Bar, 680mm
Grips
ACID Icon
Seat
Saddle
ACID Venec Lite
Seatpost
CUBE Performance Post, 27.2mm
Geometry
| Measurement | XS | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.549 mm | 1.503 mm | 1.533 mm | 1.495 mm | 1.488 mm | 1.466 mm |
| Bottom Bracket Height | 303 mm | 303 mm | 309 mm | 309 mm | 309 mm | 309 mm |
| Front Center | 646 mm | 660 mm | 683 mm | 704 mm | 726 mm | 748 mm |
| Rake | 43 mm | 42 mm | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 94 mm | 95 mm | 98 mm | 98 mm | 98 mm | 98 mm |
| Stack | 595 mm | 598 mm | 627 mm | 637 mm | 656 mm | 670 mm |
| Reach | 384 mm | 398 mm | 409 mm | 426 mm | 441 mm | 457 mm |
| Top Tube Length | 555 mm | 575 mm | 595 mm | 615 mm | 635 mm | 655 mm |
| Seat Tube Angle | 74 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 340 mm | 370 mm | 420 mm | 470 mm | 515 mm | 560 mm |
| Head Tube Angle | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° |
| Head Tube Length | 108 mm | 111 mm | 111 mm | 122 mm | 142 mm | 157 mm |
| Chainstay Length | 427 mm | 427 mm | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1068 mm | 1082 mm | 1125 mm | 1146 mm | 1168 mm | 1190 mm |
| Bottom Bracket Drop | 52 mm | 52 mm | 65 mm | 65 mm | 65 mm | 65 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 165 cm | 169 cm | 177 cm | 183 cm | 186 cm |
| Rider Max Height | 167 cm | 173 cm | 180 cm | 186 cm | 191 cm | 194 cm |




























































