Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 150mm -
Travel Rear 140mm -
Fork RockShox Pike Select
-
Groupset NX Eagle -
Suspension Full -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Nukeproof Reactor 275 Alloy, 140mm Travel, custom triple butted hydro-formed tube set for front triangle and chain stays, UD woven carbon fibre Seat stays, internal cable routing, custom tuned rear shock, internal dropper seatpost cable routing, Enduro bearings, threaded bottom bracket, boost 148mm rear axle spacing, 3D contoured frame protection
Suspension Fork
RockShox Pike Select Charger RC 150mm, 46mm Offset, BOOST, Debonair, Diffusion Black
Rear Shock
RockShox Super Deluxe Select+ RT, Custom ML 380 tune, 210x55mm, Bearing End (Comes with 1x bottomless token fitted so you have them if needed.)
Drivetrain
Rear Derailleur
SRAM NX Eagle 12-Speed
Shift Levers
SRAM NX Eagle 12-Speed
Cassette
SRAM NX Eagle 12-Speed, CS PG1230 EAGLE 11-50T
Crank
SRAM NX Eagle 12-Speed, 170mm, 32T, B148, DUB
Bottom Bracket
Threaded 73mm BSA
Chain Guide
ISCG05
Wheels
Rear Hub
Boost 148x12mm
Rims
WTB Speed Terra 27.5", ST Light i30 TCS 2.0 Rim / 32h, 110x15mm
Tires
Maxxis Assegai 27.5”x2.5 WT 3C MaxxTerra/EXO+/TR, Rear: Maxxis Minion DHR II 27.5”x2.4 WT 3C MaxxTerra/EXO+/TR
Brakes
Brakes
SRAM Guide RE
Disk Rotors
SRAM Centreline, 200mm Front 180mm Rear
Cockpit
Stem
Nukeproof Neutron AM, 45mm, black
Handlebar
Nukeproof Horizon 25mm Rise, Width - S780mm, M780mm, L800mm, XL800mm)
Grips
Nukeproof Sam Hill Signature
Headset
ZS44-28.6 – T2 / ZS56/40 – B8
Seat
Saddle
Nukeproof Horizon SL, Black
Seatpost
31.6mm (Internal Routing for Dropper Seatpost)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.42 mm | 1.34 mm | 1.27 mm | 1.19 mm |
| Bottom Bracket Height | 336 mm | 336 mm | 336 mm | 336 mm |
| Front Center | 721 mm | 752 mm | 783 mm | 818 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 121 mm | 122 mm | 121 mm | 121 mm |
| Stack | 591 mm | 596 mm | 600 mm | 604.5 mm |
| Reach | 416 mm | 445 mm | 473.5 mm | 507 mm |
| Top Tube Length | 571 mm | 601 mm | 631 mm | 666 mm |
| Seat Tube Angle | 75.5 ° | 75.5 ° | 75.5 ° | 75.5 ° |
| Seat Tube Length | 391 mm | 420 mm | 456 mm | 509 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 110 mm | 115 mm | 120 mm | 125 mm |
| Chainstay Length | 421 mm | 421 mm | 421 mm | 421 mm |
| Wheelbase | 1141 mm | 1172 mm | 1203 mm | 1238 mm |
| Bottom Bracket Drop | 19 mm | 19 mm | 19 mm | 19 mm |
| Front Travel | 150 mm | 150 mm | 150 mm | 150 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Reactor 275 Expert is part of the Nukeproof Reactor model. There are 61 bikes that carry this model name. Check out the entire range from 2020 of this model, by clicking this link.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Trail bikes
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, this doesn’t mean that if you spend less money on a Trail bike, you couldn’t get a decent one. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Reactor 275 Expert components
Fork
This bike has the RockShox Pike Select fork installed. The fork’s travel is 150mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Rear Shock
The shock that’s installed on this bike is RockShox Super Deluxe Select+ RT, with a travel distance of 140mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. To sum up, get a full-suspension bike if you want the smoothest rides.
Wheels
The wheels on Reactor 275 Expert are the 27.5″ aluminum type. The 27.5″ wheels are a great choice for smaller riders. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The Reactor 275 Expert has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.
Dropper post
Nukeproof Reactor 275 Expert includes a dropper post. If used correctly, a dropper post gives you more faith, maneuverability, and greater control over your bike.