2020 Vitus

Nucleus 27 VRW

A 27.5″ aluminum frame hardtail trail bike with modest components.
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MSRP£549 (about $695)
Weight31.5 lbs  
FrameAluminum
SuspensionHardtail, 120mm
ForkSuntour XCR Air
Wheels27.5″ Aluminum
Drivetrain2 × 9
GroupsetAltus, microSHIFT
BrakesHydraulic Disc
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

27 mph

Nucleus 27 VRW

26 mph

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Highest gear

(descending)

Reviews
MBR
Vitus Nucleus VR - MBR

Dec 2019 · Alan Muldoon

What can we say about the Vitus Nucleus 27 VR that’s not been said? As winner of this test four years in a row, its accolades say everything.

Highs
  • Ride quality and build kit belie its price tag

Lows
  • Still no clutch mech to help keep the chain on

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BikeRadar
Vitus Nucleus 27 VRX first ride review

Jul 2019 · Tom Marvin

Spec highlights include the wide (29mm internal) WTB rims and the Schwalbe tyre combo — a Magic Mary up front in the grippy ADDIX Soft compound and a Nobby Nic out back with standard ADDIX rubber but a toughened Double Defense casing.. .

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Nucleus 27.5" hardtail frame, 6061-T6 Alloy construction

Fork

SUNTOUR XCR32 BOOST AIR 27.5" 120mm

Travel120mm

Spring TypeAir

Bottom Bracket

Square Taper Cartridge Bottom Bracket, 73mm / 113.5mm

Headset

FSA, NO.57B

Stem

Vitus 50mm

Handlebar

Nukeproof Neutron, 25mm Rise, Width - XS740mm, S740mm, M760mm, 31.8mm bar diameter

Saddle

Nukeproof Neutron

Seatpost

VITUS, 31.6mm x 400mm, zero offset

TypeRigid

Groupset
Rear Derailleur

SHIMANO ALTUS, RD-M2000, SGS 9-SPEED, SHADOW DESIGN

Front Derailleur

MICROSHIFT MD-462B, Down-SWING, DUAL-PULL, FOR REAR 9-SPEED, BAND TYPE(34.9MM)

Crank

SUNTOUR XCM, 36Tx22Tx175mm

Shifters

SHIMANO ALTUS, SL-M2000, 3-SPEED RAPIDFIRE PLUS

Cassette

SHIMANO ALTUS, CS-HG200-9, 9-SPEED, 11-36T

Chain

KMC Z9 EPT Anti Rust

Brakes

Front: TEKTRO HD-M290, WAVE STYLE ROTOR, ROTOR: 180mm, Rear: TEKTRO HD-M290, WAVE STYLE ROTOR, ROTOR: 160mm

TypeHydraulic Disc

Wheels
Rims

WTB ST i30, TCS 2.0, 27.5

Spokes

14G STAINLESS DB BLACK, BRASS NIPPLES

Front Hub

VITUS MS6F, BOOST 15mm x 110mm, 32H, 6-BOLT

Rear Hub

VITUS K68R, Standard spacing 135mm x10mm, 32H, 6-BOLT

Tires

WTB Vigilante F / Trailboss R, 2.3" x 27.5" Comp tire w/High Grip Compound F - 2.25" x 27.5" Comp R

Rider Notes
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Last updated May 13
Not listed for 1,410 days