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Nukeproof Cub-Scout 20 Race

Nukeproof Cub-Scout 20 Race

Nukeproof's all new Cub-Scout 20” Race is not just another kids bike: taking inspiration from their award-winning Scout adult hardtail range, the Cub-Scout 20” has been designed from the ground-up as a proper mini-hardtail mountain bike. Nukeproof have designed the Cub Scout range to allow kids to learn the ropes of riding, inspire confidence on the trails and act as the perfect platform for progression. Developed and tested with the help of their own children, Nukeproof have created a class leading lightweight kids bike range to inspire and nurture budding future World Cup or EWS winners!

The new range of Cub-Scout Hardtails are available in 20”, 24” or 26” options; meaning that there should be a bike to suit kids of all sizes from aged 5 and up. Each bike features a lightweight custom butted 6061 Alloy frameset with bang up to date long, low and slack kids specific geometry. 

Kids Specific Components:
Proper fit and function of components is essential for kids bikes because adult components are not optimised for smaller people. To ensure that these bikes fit and function perfectly, Nukeproof took the time to test and develop their own or work with their partners to select the best kids-specific components they could find on the market. 

Kid Specific parts include:

Cub-Scout 20” Frame 
Manitou Machete Junit Expert Air Suspension forks with custom optimised damping for lighter riders
Tektro Hydraulic Disc Brakes with short stroke levers for smaller hands
Nukeproof Neutron Jr Saddle 
Nukeproof Neutron Jr Handlebar (20” – 600mm/24” – 640mm/26” – 700mm)
Nukeproof Neutron Jr Grips
127mm Samox Square Taper Crank
WTB STi 30 TCS Rims (Tubeless Ready)
Large Volume 2.4”/2.25” Vee Rubber Tyres to ensure grip and a smooth ride

Weight    Weight: 10.8kgs/23.7lbs

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Weight    Weight: 10.8kgs/23.7lbs 

Frame Size    One Size
Recommended Rider Height (Imperial)    3' 9" - 4' 4"
Recommended Rider Height (Metric)    120 - 136cm
Recommended Inside Leg (Imperial)    20" - 24"
Recommended Inside Leg (Metric)    52 - 61cm
Material:    Hydroformed 6061 Triple-Butted Aluminium 
Fork Travel:    80mm
Wheels Size:    20"
Max Tyre Size:    2.6"
Sizing:    One Size
Headtube:    44mm Semi-Integrated
Headset:    ZS44-28.6 - T2 / ZS44/30-S - B3 (For Straight Steerer fork)
Seatpost:    27.2mm
Seat Clamp:    31.8mm
BB:    Threaded 68mm BSA
Rear Hub:    142x12mm
Rear Axle:    M12*1.5 Thread x175mm
Chain Guide:    ISCG05
Brake Mount:    160mm Direct Post
Protection:    Kevlar Chainstay Protector

Geometry - Sagged measurements in brackets

(ST) Seattube Length    265mm
(TTe) Effective Top Tube Length    459mm (456mm)
(HT) Headtube Length    100mm
(Ha) Headtube Angle    66.5° (67.75°)
(WB) Wheelbase    894mm (886mm)
(CS) Chainstay Length    355mm
(STe) Effective Seattube Angle    72.5° (73.75°)
(BB) Bottom Bracket Drop    -35mm (-42.25mm)
Bottom Bracket Height    240mm (233mm)
(Re) Reach    311mm (321mm)
Stack    467.5mm (461mm)
Fork Travel    80mm (Sagged)
Fork Offset    38mm
Axle to Crown    385mm (365mm)



•    Frame: Nukeproof Cub-Scout 20”, custom butted hydro-formed 6061 Alloy, internal cable routing for dropper seat posts, threaded bottom bracket, 142mm Bolt-thru rear axle spacing
•    Fork: Manitou Machete JUNIT 20in Expert Air, 80mm Travel, 1.5 Tapered Steerer, 40mm Offset, BOOST 15x110mm Bolt-thru Axle
•    Front Wheel: Nukeproof Neutron 15x110mm hub on WTB STi30 20" TCS Rim
•    Rear Wheel: Nukeproof Neutron 12x142mm hub on WTB STi30 20" TCS Rim
•    Tyres: Front: Vee Rubber Flow Snap 20" x 2.4” Skinwall, Rear: Vee Rubber Crown Gem 20" x 2.25” Skinwall  
•    Crankset: Samox Square Taper 127mm, 32T
•    Shifter: SRAM X5 Trigger 9-Speed
•    Rear Deraileur: SRAM X5 Mid Cage 9-Speed
•    Chain: KMC Z9 EPT 9-Speed, with Quick Link
•    Cassette: Sunrace CSM90 9-Speed, 11-36T
•    Brakes: Tektro M291 Kids Specific Hydraulic Brakes
•    Front Rotor: Tektro Wave , 160mm
•    Rear Rotor: Tektro Wave , 160mm
•    Handlebar: Nukeproof Neutron Jr 600mm Wide, 15mm Rise, 31.8mm Clamp
•    Stem: Nukeproof Neutron AM, 35mm, black
•    Saddle: Nukeproof Neutron Jr, Black
•    Seatpost: Nukeproof Neutron Jr, Black, 27.2mm, 300mm Long, 0 Offset
•    Headset: Nukeproof Warhead, 44-44 IETS
•    Grips: Nukeproof Jr Single Clamp lock on, 115mm Long, Soft Compound

Weight    Weight: 10.8kgs/23.7lbs

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