Nukeproof 2021 Reactor 275 Pro Alloy Bike

Product description

Buying a Nukeproof from 2 Wheels Only - A Long established Nukeproof retail store, our service goes much further than a typical online retailer.

Our knowledge is extensive in the range and we are always here to help you - the customer!

From concept through to design, the Kinematics, the geometry and specification; the Reactor is designed from the ground up to be the ultimate aggressive trail bike. It is at home on technical climbs, but happiest when thrashing the most technical trails you can point it at.

Frame Construction:

• The Alloy Reactor features a custom triple butted hydro-formed tube set and carbon seat stays, which help reduce the overall weight of the frameset. Critically this reduces the unsprung weight; making the suspension as active as possible.
• The Reactor is available for 27.5” or 29” wheel sizes. These are two totally different, compromise free frames that were designed and developed at the same time. Each frame is simply tailored around each wheel size.

Speed or play: which do you value more? The manoeuvrability of 27.5” or the raw speed of a 29”?

Adjustable Geometry:

• All Reactor frames feature a “flip chip” to adjust the geometry from “Trail” to “Rail mode”.
• Trail – As the name suggests, this setting is best suited for trail riding. It is for riders who get as much enjoyment from the climb as the descents.
• Rail – The Rail setting turns the Reactor into a corner shredder, dropping the bottom bracket 6mm and slackening the head angle by half a degree. It is there to maximise the descending capabilities.

Suspension Design:
To ensure the bike could climb as well as it descends, we designed the 4 bar horst linkage to have higher levels of anti-squat for climbing gears but lower levels when you drop down the cassette.

This means that the bike can behave itself on the climbs but when you get it up to speed, it turns into a trail hooligan. The combination of low anti-squat and progressive rate give ultimate small bump compliance (removes rough trail and root chatter) with good mid stroke support for cornering/pumping and end stroke progression for aggressive riding. Balanced anti-rise figures allow the Reactor some squat when braking hard, maintaining rider position and providing a good amount of pressure through the tyre to ensure traction. The Reactor is designed to reward the rider and ensure you get that stoke factor in on any ride.

Features:

• Reactor 275 Alloy Frame
• RockShox Pike Select + Charger 2 RC 150mm
• RockShox Super Deluxe Select+ RT
• Nukeproof Neutron V2 Wheelset
• SRAM GX Eagle 12-Speed
• SRAM Guide RE Hydraulic Disc Brakes
• Brand X Ascend Dropper Post

FEATURES

• Aggressive Trail Bike
• Hydro-formed 6061 Triple-Butted Aluminium Frame
• 140mm Rear Travel
• 2 Position Trail/Rail Flip Chip, Swinglink Driven 4 Bar Horst Link Suspension, with custom tuned shock.
• 148mm Boost rear spacing
• Sizes Available: Small, Medium, Large, Extra Large

GEOMETRY & SIZING

 

	SMALL	MEDIUM	LARGE	X-LARGE
(A) REACH	425	454	482.5	516
(B) STACK	600	605	609	613.5
(C) EFFECTIVE TOP TUBE LENGTH	580	610	640	675
(D) SEATTUBE LENGTH	381	420	458	508
(E) EFFECTIVE SEATTUBE ANGLE	75.5° (Low 75°)	75.5° (Low 75°)	75.5° (Low 75°)	75.5° (Low 75°)
(F) SEATTUBE ANGLE (ACTUAL)	71° (Low 70.5°)	71° (Low 70.5°)	71° (Low 70.5°)	71° (Low 70.5°)
(G) SADDLE HEIGHT AT SADDLE OFFSET	650	700	750	850
(H) SADDLE OFFSET AT SADDLE HEIGHT	164.71	181.03	196.99	229.25
(I) HEADTUBE LENGTH	110	115	120	125
(J) HEADTUBE ANGLE	66° (Low 65.5)	66° (Low 65.5)	66° (Low 65.5)	66° (Low 65.5)
(K) CHAINSTAY LENGTH	430	430	430	430
(L) FRONT CENTRE	728	759	790	825
(M) WHEELBASE	1150	1181	1212	1247
(N) BOTTOM BRACKET DROP	-18 (Low -24)	-18 (Low -24)	-18 (Low -24)	-18 (Low -24)
(O) BOTTOM BRACKET HEIGHT	336 (Low 330)	336 (Low 330)	336 (Low 330)	336 (Low 330)
(P) STAND OVER HEIGHT	723/721	721/725	722/730	725/737
(Q) FORK TRAVEL	150	150	150	150
(R) TRAIL	110.73	110.73	110.73	110.73
(S) FORK OFFSET	46	46	46	46
(T) AXLE TO CROWN	545	545	545	545
(U) MAXIMUM SEATPOST INSERT	175	215	250	300

RECOMMENDED SIZING