RRP: £


Ready to step up to the challenge of off road riding? Meet the Nucleus range of trail centre inspired hardtails; the perfect introduction to proper mountain biking with lightweight aluminium frame and exceptional components package! The Nucleus 260 with 26” wheels features Suntour XCM suspension forks, Shimano Acera/Altus shifters and deraileurs with Tektro mechanical disc brakes at an unbelievable price, the Nucleus 260 presents great value for money!

Lightweight Mechanical Formed 6061-T6 Aluminium  Frame & Suntour XCM Fork
A lightweight 6061-T6 aluminium frame provides a bombproof chasis for trail centre assaults with great upgrade potential for fitting a chainguide thanks to the ISCG tabs.
 Our aggressive trail geometry has been designed around 26” wheels and a 120mm travel fork; a short headtube and low bottom bracket keep the centre of gravity low to provide improved handling and inspire confidence. 
Suntour XCM forks feature hydraulic Lock-Out & Preload adjustment with 120mm of coil sprung travel.

Shimano Acera/Altus & Suntour Groupset

A full complement of gears are catered for by Shimano Acera and Altus shifters and derailleurs with a Suntour XCT triple chainset providing the driving force at the heart of the transmission. 
Disc brake technology is now available to first time mountain bikers on our entry level Nucleus 260, Tektro Novela mechanical disc brakes offer excellent stopping power in any weather conditions ensuring you stay in control no matter what the trail throws in your way!

Vitus Wheelset & Finishing Kit

Vitus provides the wheels and finishing kit for the Nucleus range of bikes. The Nucleus 260 features SRAM MTH-306 disc hubs on Vitus double wall alloy disc rims. WTB Bronson tyres are a trail centre favourite and provide low rolling resistance and predictable handling.
 Finishing kit is supplied by Vitus with our lightweight 6061 alloy stem, bars and seatpost providing high performance components which have been colour coded to match the frame decals.



FrameMechanical formed 6061-T6 aluminium
ForksSuntour XCM LO
ChainsetSuntour XCT-T312
Bottom BracketSquare taper (BSA)
ShiftersShimano Acera SL-M310
Front DerailleurShimano FD-M190
Rear DerailleurShimano Acera SL-M310
ChainKMC Z72
RimsVitus Disc
Front HubSRAM MTH-306 Disc
Rear HubSRAM MTH-306 Disc
TyresWTB Bronson Comp
Front BrakeTektro Novela Mechanical Disc
Rear BrakeTektro Novela Mechanical Disc
HandlebarsVitus Riser Bar
StemVitus Alloy
HeadsetFSA Orbit 1.5B
SeatpostVitus alloy
SeatclampAlloy QR
Weight13.8kg/30.5lbs (Medium)


Size  Small Medium Large
Rec. Rider Height (ins)
Rec. Rider Height (cm)
Rec. Inside Leg (ins)
Rec. Inside Leg (cm)
Seat Tube 380mm 440mm 480mm
(A) Effective Top Tube 575mm 595mm 615mm
(G) Reach 401.50mm 418.67mm 435.84mm
(F) Stack 567.48mm 576.75mm 586.03mm
(D) Chainstay 425mm 425mm 425mm
(E) Head Tube 115mm 120mm 130mm
(B) Head Tube Angle 68˚ 68˚ 68˚
(C) Seat Tube Angle 73˚ 73˚ 73˚
Bottom Bracket Drop 23mm 23mm 23mm
Max Tire Size 26″ x 2.3″ 26″ x 2.3″ 26″ x 2.3″
WheelBase 1088mm 1109mm 1129.7mm
Seat Post Diameter 31.6mm 31.6mm 31.6mm
Bottom Bracket 73mm BSA 73mm BSA 73mm BSA
Head Set ZS44/28.6 | ZS56/40 ZS44/28.6 | ZS56/40 ZS44/28.6 | ZS56/40
Front Mech 34.9mm Band 34.9mm Band 34.9mm Band
Rear Axle 10mm x 135mm QR 10mm x 135mm QR 10mm x 135mm QR
Frame Material 6061-T6 Alloy 6061-T6 Alloy 6061-T6 Alloy
Based on Axle to Crown 493mm 493mm 493mm


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