Nukeproof Reactor 275 Alloy Comp 2021
2021 Mountain
Estimate price |
4,013$
Weight | 14.67 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 27.5" -
Travel Front 150mm -
Travel Rear 140mm -
Fork Marzocchi Bomber Z2
-
Groupset Deore -
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, internal cable routing, ISCG 05 mount, Enduro bearings, threaded 73mm BB, Boost 148mm rear axle spacing, 3D contoured rubber frame protection.
Suspension Fork
Marzocchi Bomber Z2, 150mm, 44mm Offset, BOOST, RAIL Damper, Gloss Black (SHORT ID: D6S3)
Rear Shock
RockShox Super Deluxe Select R, Custom ML Tune, 210x55mm, Bearing End, 1x bottomless token fitted.
Drivetrain
Rear Derailleur
Shimano Deore M6100, SGS 12-Speed, Shadow Plus
Shift Levers
Shimano Deore M6100-IR, 12-speed Rapidfire Plus, I-Spec EV
Cassette
Shimano Deore M6100 12-Speed (HYPERGLIDE+), 10-51T
Crank
Shimano Deore M6100 12 Speed Crank, 170mm, 32T, 52mm Chainline
Bottom Bracket
BSA, 73mm, threaded
Chain
Shimano Deore M6100 12-Speed
Wheels
Rims
Sun-Ringle Duroc 35 Comp 27.5", 15x110mm
Tires
Front: Maxxis Assegai 27.5”x2.5 WT 3C MaxxTerra/EXO+/TR, Rear: Maxxis Dissector 27.5”x2.4 WT 3C MaxxTerra/EXO+/TR
Brakes
Brakes
Shimano Deore M6120 4 pot brake, Resin Pads
Cockpit
Stem
Nukeproof Neutron AM, 45mm, black
Handlebar
Nukeproof Neutron V2 25mm Rise, Width - M780mm, L800mm, XL800mm)
Grips
Nukeproof Sam Hill Signature
Headset
Nukeproof, 44-56 IITS
Seat
Saddle
Nukeproof Horizon SL, Black
Seatpost
Brand X Ascend internal, 31.6mm, S: 125mm; M:150mm drop; L/XL: 170mm Drop
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.33 mm | 1.26 mm | 1.19 mm |
| Bottom Bracket Height | 336 mm | 336 mm | 336 mm | 336 mm |
| Front Center | 728 mm | 759 mm | 790 mm | 825 mm |
| Rake | 46 mm | 46 mm | 46 mm | 46 mm |
| Trail | 110.73 mm | 110.73 mm | 110.73 mm | 110.73 mm |
| Stack | 598 mm | 603 mm | 607 mm | 611.5 mm |
| Reach | 423 mm | 452 mm | 480.5 mm | 514 mm |
| Top Tube Length | 578 mm | 608 mm | 638 mm | 673 mm |
| Seat Tube Angle | 75.5 ° | 75.5 ° | 75.5 ° | 75.5 ° |
| Seat Tube Length | 381 mm | 420 mm | 458 mm | 508 mm |
| Head Tube Angle | 66 ° | 66 ° | 66 ° | 66 ° |
| Head Tube Length | 110 mm | 115 mm | 120 mm | 125 mm |
| Chainstay Length | 428 mm | 428 mm | 428 mm | 428 mm |
| Wheelbase | 1148 mm | 1179 mm | 1210 mm | 1245 mm |
| Bottom Bracket Drop | -18 mm | -18 mm | -18 mm | -18 mm |
| Standover Height | 721 mm | 719 mm | 720 mm | 723 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 |
Model Overview
Reactor 275 Alloy Comp is a Nukeproof Reactor model. Nukeproof released 61 bikes variations of this model so far. You can easily view all of the Nukeproof Reactor bikes models from 2021, here.
Model range prices
The most economical model, the Nukeproof Reactor 275 Alloy Comp 2021 has a starting price of 3648$. Nukeproof Reactor 275 Carbon RS 2021 on the other hand is the most expensive at 7297$.
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.
Trail bikes average price
Our math shows that the average cost of a dependable Trail bike is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Furthermore, this bike was made available in 2021 for 3648$. In conclusion, this bike price is 32.08% more expensive than the price of the average Trail bike.
Trail bikes average weight
Trail bikes weigh an average of 12.98 kg (28.62 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
Weighing 14.67 kg (32.34 lbs), the Reactor 275 Alloy Comp model is considerably heavier than average. In other words, this model is 13.02% heavier than the average Trail bike.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
Overview of components
Fork
Nukeproof Reactor 275 Alloy Comp 2021 bike is equipped with the Marzocchi Bomber Z2 fork, and has 150mm travel. 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
From the factory, it comes with the RockShox Super Deluxe Select R rear shock model, which has a travel of 140mm. Rear shocks improve riding comfort and give you greater control over all terrains. In short, if you want smooth rides, get a full-suspension bicycle.
Wheels size
As for the wheels, Nukeproof Reactor 275 Alloy Comp 2021, has a 27.5″ aluminum model. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
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 conclusion, it won’t take much to find one that’s right for you.
Dropper post
The Nukeproof model is also equipped with a dropper post. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.