Nukeproof Horizon Top Headset Cup Nukeproof have launched a range of headset's which use the titanium coated race bearings with stainless steel balls. The titanium coating is applied using “ Physical Vapour Deposition” which means that the material is vapourised in a vacuum environment & then deposited on the bearing races as a composition coating. This process allows the structure, density & stoichiometry of the coating to be controlled allowing the exact attributes in our design brief to be achieved. The coating is 0.000118” thick & has a molecular bond to the bearing races so it won't wear off or corrode. The bearing is ABEC 5 certified which means that it has passed tests which include ID & OD tolerance's, roundness of ball, trueness of faces & surfaces aswell as noise testing at high RPM making it the perfect bearing for use in a headset. These bearings have been designed for use in the harshest weathers & have went through various tests by the Nukeproof team during development so they are 100% confident in their performance. To back this up Nukeproof are offering a 5 year warranty so you can be rest assured your purchase will be a good one. These headsets have been revised, enhanced & expanded for optimum fit, sealing & performance as well as compatibility with a wide range of fork & frame standards. Featuring sealed angular contact bearings, split alloy crown races & upper & lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength & durability for performance across all riding disciplines. All models feature a super tough black hard anodised finish, with laser-etched graphics.A top cap, star nut & bolt is also included
Features:  Headset Type: Specific Top Cup  Bearings: Replaceable, angular contact type   Graphics: Laser-etched   Finish: Hard Anodised   Options: Internal & external  
Includes:: Top cap & bolt supplied             Model      Headtube Internal Diameter      Steerer              Black EX34-28.6
- T1 1.1/8" Top Cap Included      34mm      1 1/8"              Black ZS44-28.6
- T2 1.1/8" Top Cap Included      44mm      1 1/8"              Black ZS49-28.6
- T3 1.1/8" Top Cap Included      49mm      1 1/8"      Buy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.




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Nukeproof Horizon Tubeless Tyre Repair Kit Nukeproof Horizon tubeless repair kit features a machined alloy tool, which doubles up as a storage capsule & houses 5x 1.5mm plugs & 5x 3.5mm plugs for repairing holes & punctures in tubeless tyres. Weighing only 50g, it is super light & easy to carry & pack away in your backpack as you ride. Plus, the tool capsule doubles up as a handle for the plug insertion tool & even has some extra space inside for storing a pair of powerlinks for your chain. The plugs are super tacky so do not require you to use additional glue. Spare plugs are available here.
Features: Plug insertion tool 5x 1.5mm plugs 5x 3.5mm plugs Tool Dimensions: 76x 29mm Weight: 50g Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
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Nukeproof Horizon Tubeless Tyre Repair Kit Nukeproof Horizon tubeless repair kit features a machined alloy tool, which doubles up as a storage capsule & houses 5x 1.5mm plugs & 5x 3.5mm plugs for repairing holes & punctures in tubeless tyres. Weighing only 50g, it is super light & easy to carry & pack away in your backpack as you ride. Plus, the tool capsule doubles up as a handle for the plug insertion tool & even has some extra space inside for storing a pair of powerlinks for your chain. The plugs are super tacky so do not require you to use additional glue. Spare plugs are available here.
Features: Plug insertion tool 5x 1.5mm plugs 5x 3.5mm plugs Tool Dimensions: 76x 29mm Weight: 50g Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
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Nukeproof Horizon Tubeless Tyre Repair Kit Nukeproof Horizon tubeless repair kit features a machined alloy tool, which doubles up as a storage capsule & houses 5x 1.5mm plugs & 5x 3.5mm plugs for repairing holes & punctures in tubeless tyres. Weighing only 50g, it is super light & easy to carry & pack away in your backpack as you ride. Plus, the tool capsule doubles up as a handle for the plug insertion tool & even has some extra space inside for storing a pair of powerlinks for your chain. The plugs are super tacky so do not require you to use additional glue. Spare plugs are available here.
Features: Plug insertion tool 5x 1.5mm plugs 5x 3.5mm plugs Tool Dimensions: 76x 29mm Weight: 50g Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
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Nukeproof Horizon Tubeless Tyre Repair Kit Nukeproof Horizon tubeless repair kit features a machined alloy tool, which doubles up as a storage capsule & houses 5x 1.5mm plugs & 5x 3.5mm plugs for repairing holes & punctures in tubeless tyres. Weighing only 50g, it is super light & easy to carry & pack away in your backpack as you ride. Plus, the tool capsule doubles up as a handle for the plug insertion tool & even has some extra space inside for storing a pair of powerlinks for your chain. The plugs are super tacky so do not require you to use additional glue. Spare plugs are available here.
Features: Plug insertion tool 5x 1.5mm plugs 5x 3.5mm plugs Tool Dimensions: 76x 29mm Weight: 50g Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
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Nukeproof Horizon Tubeless Tyre Repair Kit Nukeproof Horizon tubeless repair kit features a machined alloy tool, which doubles up as a storage capsule & houses 5x 1.5mm plugs & 5x 3.5mm plugs for repairing holes & punctures in tubeless tyres. Weighing only 50g, it is super light & easy to carry & pack away in your backpack as you ride. Plus, the tool capsule doubles up as a handle for the plug insertion tool & even has some extra space inside for storing a pair of powerlinks for your chain. The plugs are super tacky so do not require you to use additional glue. Spare plugs are available here.
Features: Plug insertion tool 5x 1.5mm plugs 5x 3.5mm plugs Tool Dimensions: 76x 29mm Weight: 50g Buy Nukeproof Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
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Nukeproof Horizon V1 on KOM Tough i 29 Wheelset Bringing brilliant balance & a bold form to every enduro run, this hard-hitting wheelset pairs fast-rolling & robust WTB rims with a smooth-spinning & supportive Nukeproof hub to drive you downhill with tenacity & speed. Built using a super-durable alloy, each of the 29mm-wide rims bears the brunt of rowdy mountain riding with ease & keep you poised & primed for harsh drops & hard landings as you soar down the mountainside. Pacy & Powerful, Alloy-Rimmed MTB Wheelset Maintaining unrivalled rigidity from the 4D-angled spoke drilling & the bolstering I-Beam construction, each of these wicked-riding wheels are made to be pushed hard & heartily from trail to trail. Spinning on Nukeproof Horizon hubs with friction-minimizing EZO Japanese cartridge bearings & seals, a high-quality rotation is assured as you hurtle through low-rent routes. The cold-forged aluminium construction of each hub ensures longevity & reliability. The rear hub features a six-pawl freehub to give unrivalled power transfer from its 42 points of engagement, making climbing uphill as energy-efficient as possible. The TCS tubeless-ready profile adds enhanced grip & control when using lower inflation tyres, while the disc brake-optimisation adds superb stopping power to this bold & brilliant Nukeproof Horizon on KOM Tough i 29 Wheelset.

Features: Rim
Material:   Alloy Internal Rim
Width:  29mm Spokes: 32x J-Bend Hub
Material:   Cold-Forged Aluminium   Freehub: 6-Pawl with 42 points of engagement Axle Sizing:  20x 110mm, 12x 150mm Tubeless-Ready:   Yes, TCS Disc Brake:  6-Bolt Buy  Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.




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Nukeproof Horizon V1 on WTB Kom i 29 MTB Rear Wheel Ready for fast & intense MTB trail-riding, this rear wheel features a cold-forged aluminium rim construction, which makes it more than capable of conquering all the challenges that are associated with all-day epics in the mountains. Nukeproof has also equipped this rock-solid model with a TCS 2.0 profile that creates a more robust, easily installed & dependable tubeless system. A recessed channel along the centre of the rim also allows installation of the Solid Strip, which prevents tubeless tape from sagging at the spoke holes & results in a smooth, consistent interface between the tyre & rim. Ready for any off-road adventure, this rear wheel uses its 4D angled spoke drilling to eliminate binding & lateral loading. The result is more evenly dispersed tension over a greater area, so you can enjoy a stabilised roll as you weave between the MTB trails at speed. Compatible with disc brakes only, this is a great option for riders who want to benefit from dependable braking performance as they dive into corners & keep their momentum flowing from trail to trail. Built for bashing, whether on a gravity shred sled or fully loaded bikepacking rig. KOM Tough rims are extruded from top-tier alloy to provide utmost durability at a reasonable weight. Nukeproof's legendary I-Beam construction has evolved to further reinforce the rim with dual support beams that provide increased strength & stiffness for the world's most aggressive riders. Proven on the toughest tracks of the Enduro World Series, depended on for daily trail rides, & trusted while bikepacking in remote regions of the world, KOM Tough rims are available in 25, 29, 35, 40 & 45mm widths to provide a burly rim for every usage & style of riding. Nukeproof Horizon V1 Rear MTB Hub: The main hub body design features a tough but lightweight 7075 series aluminium construction. It has been cold-forged for optimum strength & fatigue resistance. Then it is extensively & precisely CNC machined to shave excess weight without compromising structural integrity. Fast Power Transfer: The Nukeproof Horizon rear hub features a total of five high quality EZO Japanese cartridge bearings & seals. The bearing layout consists of two on the drive side to help spread the load of pedalling force through the hub, one on the non-drive side & a further two in the freehub body. The freehub design offers incredibly fast power transfer with 42-points of engagement & is constructed from 7075 aluminium for optimised durability & performance.
Features: Use: MTBHub

Material: Cold-forged Aluminium Hub

Colour: Copper Freehub: 6-Pawl Freehub Engagement Points: 42 Spoke Type: J-Bend Rotor Mount: 6-Bolt Hub Spacing: 150mm x 12mm Wheel

Size: 29" Rim: WTB Asym i 29 Spokes: DT Swiss Competiton DB 2.0/1.8 Nipples: DT Swiss Pro Lock Valve Type: Presta Hole Count: 32h Rim Inner

Width: 29mm ERD: 606 Brake Type: Disc-brake only Single or Pair: Single Buy Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.








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Nukeproof Horizon V2 29" Boost Pair with ARDThis wheelset features a revised design for fast & smooth-rolling performance as you shred the mountain bike trails. Coming equipped with Nukeproof's extensively trailed & tested alloy blend, its rim construction is specifically made to meet the demands of both enduro & DH riders. Producing a hardness similar to 7-series alloy but with the ductility & yield properties of a 6-series, this rear wheel gives you the best of both worlds in terms of strength, stiffness & weight. Both rims have the same profile, but the rear has a thicker sidewall for added strength on the trails. Another benefit is it comes equipped with J-bend spokes, which means that tensioning & spoke replacement is quick & easy. Enduro ABEC 5 Bearings After extensive testing with various brands of bearings, Nukeproof chose to use Enduro ABEC 5 bearings in this rear wheel. These bearings have the “LLU/LLB” seal type, which uses two lips that make light contact in a groove to create a labyrinth where the water or dirt has a more difficult time to penetrate. LLU seals are similar, only the contact pressure or interference fit is greater to seal better. Enduro bearings have 80% grease fill on both sides whereas most other bearings have 35% grease fill on one side. This delivers full coverage, so there are no dry areas as well as avoiding metal on metal contact or wear. This means that the axle feels tight out of the box & after a couple of rides it will become free. Nukeproof Horizon V2 Hub The Nukeproof Horizon V2 rear hub has 102 points of engagement & comes in a range of freehub options. Freehubs are also available separately & easily changeable if you choose to upgrade your drivetrain in the future. The 148mm HG / XD hub can be converted to 141mm using end caps. The hub has also been machined to remove excess material & make it as strong & light as possible. Nukeproof has fitted these hubs with our louder pawls & springs, this gives the wheel a nice buzz as you head down the trail. If you prefer the quiet life, you can get the quieter ones which are available separately. What's Included? Wheels come taped with tubeless valve installed so all you need to do is fit your tyre & add sealant. The tubeless valve supplied is the new Nukeproof Horizon valve which is compatible with Nukeproof ARD & other tyre inserts as well as the cap having a core remover built in.A pair of ARD inserts are also supplied to give you maximum protection. By using closed cell foam technology, the A.R.D is a very lightweight tyre insert, yet it offers you lots of protection. It enables you to run your tyres at much lower pressures without risking flats, plus gives you much increased grip for thrashing around the trails. In fact, it's so good that Kelan Grant, a CRC-Mavic sponsored rider was able to complete a stage of the EWS on just his A.R.D as his tyre had split.A full range of spares are available to service your hub in the future. Spoke Lengths: Wheel Non Drive Side Spoke Length Driveside Spoke Length Front 288 289 Rear 289 286 141mm Rear HG / XD Conversion Kit Available Separately: Caps Nukeproof Part Number Replacement or Conversion Rear 141mm NUKHORV2R141BCAPS Convert Boost 148mm HG / XD hub to 141mm QR

Features: Rim

Material: Alloy Nukeproof Blend Use:MTB, All Mountain, Enduro & DH Spacing: Front: 15x 110mm, Rear 12x 148mm Wheel

Size: 29" Conversion Options: 148x 12mm HG / XD can be converted to 141mm Boost with end caps (sold separately) Freehub Options: Shimano HG, Shimano Microspline & SRAM XD Rear Hub Engagement: 102 points of engagement (every 3.52°) Inner Rim

Width: 30mm Outer Rim

Width: 35mm Rim

Height: 21.6mm Tubeless Ready: Yes, pre-taped & valve supplied Spoke Count: 32 Spoke Type: J-Bend Disc Mount: 6-Bolt Lacing Pattern: 3x Build: Hand built Single or Pair: Pair Weights: Front: 897g, Rear: 1146g, ARD: 144g each (Weights include tape & valve) Buy Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.











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Nukeproof Horizon V2 29" Boost Pair with ARDThis wheelset features a revised design for fast & smooth-rolling performance as you shred the mountain bike trails. Coming equipped with Nukeproof's extensively trailed & tested alloy blend, its rim construction is specifically made to meet the demands of both enduro & DH riders. Producing a hardness similar to 7-series alloy but with the ductility & yield properties of a 6-series, this rear wheel gives you the best of both worlds in terms of strength, stiffness & weight. Both rims have the same profile, but the rear has a thicker sidewall for added strength on the trails. Another benefit is it comes equipped with J-bend spokes, which means that tensioning & spoke replacement is quick & easy. Enduro ABEC 5 Bearings After extensive testing with various brands of bearings, Nukeproof chose to use Enduro ABEC 5 bearings in this rear wheel. These bearings have the “LLU/LLB” seal type, which uses two lips that make light contact in a groove to create a labyrinth where the water or dirt has a more difficult time to penetrate. LLU seals are similar, only the contact pressure or interference fit is greater to seal better. Enduro bearings have 80% grease fill on both sides whereas most other bearings have 35% grease fill on one side. This delivers full coverage, so there are no dry areas as well as avoiding metal on metal contact or wear. This means that the axle feels tight out of the box & after a couple of rides it will become free. Nukeproof Horizon V2 Hub The Nukeproof Horizon V2 rear hub has 102 points of engagement & comes in a range of freehub options. Freehubs are also available separately & easily changeable if you choose to upgrade your drivetrain in the future. The 148mm HG / XD hub can be converted to 141mm using end caps. The hub has also been machined to remove excess material & make it as strong & light as possible. Nukeproof has fitted these hubs with our louder pawls & springs, this gives the wheel a nice buzz as you head down the trail. If you prefer the quiet life, you can get the quieter ones which are available separately. What's Included? Wheels come taped with tubeless valve installed so all you need to do is fit your tyre & add sealant. The tubeless valve supplied is the new Nukeproof Horizon valve which is compatible with Nukeproof ARD & other tyre inserts as well as the cap having a core remover built in.A pair of ARD inserts are also supplied to give you maximum protection. By using closed cell foam technology, the A.R.D is a very lightweight tyre insert, yet it offers you lots of protection. It enables you to run your tyres at much lower pressures without risking flats, plus gives you much increased grip for thrashing around the trails. In fact, it's so good that Kelan Grant, a CRC-Mavic sponsored rider was able to complete a stage of the EWS on just his A.R.D as his tyre had split.A full range of spares are available to service your hub in the future. Spoke Lengths: Wheel Non Drive Side Spoke Length Driveside Spoke Length Front 288 289 Rear 289 286 141mm Rear HG / XD Conversion Kit Available Separately: Caps Nukeproof Part Number Replacement or Conversion Rear 141mm NUKHORV2R141BCAPS Convert Boost 148mm HG / XD hub to 141mm QR

Features: Rim

Material: Alloy Nukeproof Blend Use:MTB, All Mountain, Enduro & DH Spacing: Front: 15x 110mm, Rear 12x 148mm Wheel

Size: 29" Conversion Options: 148x 12mm HG / XD can be converted to 141mm Boost with end caps (sold separately) Freehub Options: Shimano HG, Shimano Microspline & SRAM XD Rear Hub Engagement: 102 points of engagement (every 3.52°) Inner Rim

Width: 30mm Outer Rim

Width: 35mm Rim

Height: 21.6mm Tubeless Ready: Yes, pre-taped & valve supplied Spoke Count: 32 Spoke Type: J-Bend Disc Mount: 6-Bolt Lacing Pattern: 3x Build: Hand built Single or Pair: Pair Weights: Front: 897g, Rear: 1146g, ARD: 144g each (Weights include tape & valve) Buy Nukeproof Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.











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