Cube Reaction TM 27.5" Mountain Bike 2020 - Hardtail MTB
The Reaction TM makes use of all our aluminium frame-building know-how to make a frame that's fast, light and tough as nails. Triple-butted, hydroformed tubes allow our engineering team to finesse weight savings wherever possible, whilst ensuring that the resulting chassis is stiff, strong and built to last. Accurate steering is assured thanks to a combination of the Boost thru axle, complex-profile down tube and tapered head tube – good to know when you're navigating a trail full of boulders at speed. Internal cable routing keeps mud, water and grit out of your gear cables so you can spend your time riding, rather than wrenching. But don't think that this is some kind of uncompromising bruiser – we built in all-day ride comfort with the deliberately slimmed-down seat stays, specifically so that you can shred till sundown.
We wanted to make something a bit special with our Reaction TM. A trail-ready hardtail with a dose of attitude, it's got everything you need to push your trail riding to the next level. With 2.6in tyres and an X-Fusion RC32 fork with thru axle and 130mm of smooth, easily adjusted travel, you can tell right away that this is a bike that's up for a challenge. The frame's built for the job, with a rear thru axle, tapered head tube and complex-profile, hydroformed main frame tubes for exactly the right combination of stiffness, strength and comfort. The Newmen cockpit with 760mm handlebar gives you the confidence and extra control you need on the toughest of trails, while powerful Magura MT Thirty hydraulic disc brakes ensure you can always scrub off speed when you need to. Sram's simple, reliable and extraordinarily wide-ranging 1x12 transmission puts the right gear for any situation within easy reach, and we even fitted a dropper post so you're ready for those pulse-quickening line choices. Bring it on, because the Reaction TM is ready. Are you?
Occasionally, without notice, manufacturers change product design and/or specifications.
Cube Reaction Sizing & Geometry
Frame Size
14"
4'9"
5'5"
16"
5'5"
5'7"
17"
5'6"
5'9"
18"
5'7"
5'11"
19"
5'9"
6'1"
21"
6'1"
6'3"
23"
6'3"
6'5"
Read our bike size guide for more information on sizing.
Cube Reaction Race One / Pro Geometry
|
14” |
16” |
17” |
18” |
19” |
21” |
23” |
Seat tube (mm) |
355 |
405 |
420 |
450 |
470 |
515 |
565 |
Seat tube centre to centre (mm) |
310 |
363 |
375 |
406 |
425 |
470 |
520 |
Top tube horizontal (mm) |
545 |
561 |
575 |
585 |
595 |
615 |
635 |
Seat tube angle (mm) |
74 |
73.5 |
73.5 |
73.5 |
73.5 |
73.5 |
73.5 |
Head tube angle (mm) |
69 |
69 |
69 |
69 |
69 |
69 |
69 |
Chainstay length (mm) |
427 |
427 |
450 |
427 |
450 |
450 |
450 |
Head tube length (mm) |
106 |
109 |
108.5 |
129 |
119.5 |
129.5 |
144.5 |
Wheelbase (mm) |
1052 |
1063 |
1105 |
1088 |
1126 |
1146 |
1168 |
BB height to hub (mm) |
-51.5 |
-51.5 |
-65 |
-51.5 |
-65 |
-65 |
-65 |
Standover (mm) |
712 |
746 |
772 |
788 |
805 |
847 |
871 |
Reach (mm) |
374 |
380 |
389 |
402 |
407 |
425 |
440 |
Stack (mm) |
595 |
608 |
627 |
617 |
637 |
643 |
660 |
Wheelsize |
27.5 |
27.5 |
29 |
27.5 |
29 |
29 |
29 |
Cube Reaction Reaction Race Geometry
|
15” |
17” |
19” |
21” |
23” |
Seat tube (mm) |
370 |
420 |
470 |
515 |
565 |
Seat tube centre to centre (mm) |
320 |
379 |
429 |
474 |
524 |
Top tube horizontal (mm) |
558 |
580 |
600 |
620 |
640 |
Seat tube angle (mm) |
73.5 |
73.5 |
73.5 |
73.5 |
73.5 |
Head tube angle (mm) |
69 |
69 |
69 |
69 |
69 |
Chainstay length (mm) |
410 |
423 |
423 |
423 |
423 |
Head tube length (mm) |
103 |
108.5 |
119.5 |
129.5 |
114.5 |
Wheelbase (mm) |
1047 |
1084 |
1105 |
1125 |
1146 |
BB height to hub (mm) |
-51.5 |
-65 |
-65 |
-65 |
-65 |
Standover (mm) |
718 |
766 |
802 |
833 |
869 |
Reach (mm) |
387 |
400 |
416 |
433 |
449 |
Stack (mm) |
610 |
617 |
627 |
636 |
650 |
Wheelsize |
27.5 |
29 |
29 |
29 |
29 |
Cube Reaction Reaction TM Geometry
|
16” |
18” |
20” |
22” |
Seat tube (mm) |
405 |
450 |
490 |
540 |
Seat tube centre to centre (mm) |
355 |
407 |
446 |
511 |
Top tube horizontal (mm) |
551 |
568 |
591 |
618 |
Seat tube angle (mm) |
73.5 |
73.5 |
73.5 |
73.5 |
Head tube angle (mm) |
67 |
67 |
67 |
67 |
Chainstay length (mm) |
427 |
427 |
427 |
427 |
Head tube length (mm) |
101.5 |
106.6 |
118.5 |
134.5 |
Wheelbase (mm) |
1115 |
1136 |
1161 |
1188 |
BB height to hub (mm) |
-60.5 |
-60.5 |
-60.5 |
-60.5 |
Standover (mm) |
755 |
785 |
814 |
850 |
Reach (mm) |
395 |
415 |
435 |
455 |
Stack (mm) |
622 |
627 |
638 |
653 |
Wheelsize |
27.5 |
27.5 |
27.5 |
27.5 |
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