downhill - advanced

Fuzz 27.5

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Bike info

An all time classic. The 27.5” Fuzz has been around for a while and has proven itself in the real world of racing and freeriding. It's easier to throw around than the 29” version making it a better choice for guys who want a more agile bike. It's low and slack and has chainstays that are proportional in length to the frame size. The reach has a 16mm range of adjustability via the eccentric headset. The shock in the Horst Link suspension has a floating design that enabled us to move it close to the bottom bracket and give the bike a very low centre of gravity. There is a significant amount of rearward axle movement that smooths out square faced bumps. At the same time, the frame is very efficient under pedaling.



"Great geometry, suspension, balance and overall feel" - MBUK



The Fuzz has been thrashed and flipped by Szymon Godziek at Rampage and proved itself in the racing environment, taking podiums at major DH events worldwide.


It's been ridden at the WC and IXS DH Cup by Polish National Champ, Slawek Lukasik and the other fast boys from the NS Factory Racing Team. Built around a super tough alloy frame, these bikes have an incredible reliability record. The bikes have one of the most progressive geometries on the market and have offset headset cups that allow reach to be adjusted to personal tastes and track requirements. A 4-bar horst link floating shock suspension design keeps the rear of the bike planted. The 29” versions sport a massive one piece rocker that keeps the longer rear end of the bike incredibly stiff. The frame is built with 6061-T6/ 6066-T6 aluminum tubes and double-pass welds for extra strength and we use big diameter max bearings for durability. There is an option of internal and external cable routing. Adjustable reach, super progressive geometry, dialed kinematics and great spec - this is what made this bike so popular among riders and reviewers. Available in 29” and 27.5” versions.


Bike Specs

Main features

Frame Specs

frame: NS Fuzz 27.5 w/ 203mm travel, adjustable CS length, 1.5'' head tube with custom reach adjustable offset cups (+/- 16mm), AL6061-T6 +AL6066-T6, custom formed and butted tubes

sizes: M, L

rear shock: X-Fusion Vector R 240x76, M-400, L-450 lbs/in

forks: Rock Shox Boxxer Select RC 27.5, DebonAir Charger RC, 200mm travel, 46mm rake, 20x110mm Boost, 1&1/8” steerer

headset: NS custom 1.5" EX56/56, sealed bearings, reach adjustable offset cups (+/- 16mm)

stem:  NS Direct Mount 31.8 (40-48mm / 2 positions)

handlebar: NS Bar 780mm, 20mm rise

grips:  NS Hold Fast

seatpost: Kalloy, 30.9mm

saddle: Octane One Rocket2

front brake: Sram Guide RE, 200mm

rear brake: Sram Guide RE, 200mm

levers: Sram Guide RE

rims:  Octane One Solar 27.5”, 32h, tubeless compatible

spokes: Spokes w/14mm nipples

front hub:  NS Rotary 20 Boost 20x110 disc (sealed bearings)

rear hub:  NS Rotary Cassette 157x12mm (sealed bearings)

tires front / rear: Maxxis Assegai MaxxGrip 3C DH TR 27.5x2.50 

crankset: Race Face Chester Affect 165mm 36t

bottom bracket: Race Face BSA 83mm

pedals: /

chain: KMC, 10 spd

chainguide: Mozartt Presto ST with bashguard

derailleurs: Sram GX 10spd, short cage

shifters: Sram GX, 10spd

cassette: Sunrace 10spd 11-32

weight (kg): 17.5 (M size, tubeless setup)

Specifications subject to change without notice. Actual colours and design may vary slightly from the images on the website.

Rear wheel travel: short CS: 202mm (7.9") / long CS: 206mm (8.1")

Tubes: Custom formed AL6061-T6 + AL6066-T6 custom formed and butted tubes, double pass welding in all critical areas, MAX bearings in all pivots

Rear shock: 240x76mm (9.5x3.0"), mounting hardware: front 30 x 8 mm, rear 22.2 x 8mm, spring: S size: 350x30, M size: 400x30, L size: 450x30

Cable routing: internal or external cable routing option

Head tube: semi-integrated 1.5" tapered EX56/EX56, head tube length 120mm (4.7")

Steerer tubes: fits forks with standard 1-1/8" steerer tubes

Rear hub: rear hub 157x12mm, rear axle included

Disc brake: IS-2000 disc brake mount

BB: threaded 83mm with ISCG-05 mounts

Biggest chainring: up to ~38t

Rear derailleur: removable hanger included

Front derailleur: not compatible

Seat post/clamp: 30.9mm / 34.9mm

Max tire: 650B x 2.6"

Weight (w/o shock): ~3.65kg


Reach can be adjusted by +/- 8mm.


4-BAR HORST LINK SUSPENSION with unique floating shock design


One of the most progressive on the market



 Fuzz 1   M L
Wheel size 27,5"
Fork travel 200 200
Reach mm 450+-8 470+-8
in 17.7+-0.3 18.5+-0.3
FC mm 809 834
in 31.9 32.8
Standover mm 689.2 688.2
in 27.1 27.1
Stack mm 604.0 613
in 23.8 24.1
Effective TT mm 631 655
in 24.8 25.8
Actual TT mm 559 582
in 22 22.9
Seat tube mm 400 411
in 15.7 16.2
Chain stays mm 447/432 454/439
in 17.6/17.0 17.9/17.3
BB rise mm -5 -5
in -0.2 -0.2
Headtube angle 63 63
ST angle effective 73.0 73.0
Wheelbase mm 1256 / 1241 1288 / 1273
in 49.4/48.8 50.7/50.1