The Cobalt line combines proven geometry and dialled components giving you the best start out of the gate during the first days racing. The Cobalt line took off so well that Radio decided to add a Pro size for 2021 allowing more riders to enjoy one of the best entry level racers out there. All Cobalt bikes feature fully sealed front hubs and integrated headsets, making them simply unstoppale when comparing price to spec. ###section### Product Specs FRAME MATERIAL: 6061 T6 alloy WHEEL SIZE: 20" TOP TUBE LENGTH: 20.75" CHAIN STAY LENGTH: 14" HEAD TUBE ANGLE: 73° SEAT TUBE ANGLE: 72° FORKS: cr-mo, 1-1/8″ butted steerer tube, hi-ten fork legs, 30mm offset BARS: 4132 seamless cr-mo STEM: Radio, Cobalt-toploader, ext. 50mm, alloy HEADSET: FSA, No.28, integrated headset, sealed, 1-1/8″ BRAKE MOUNTS: Welded BRAKES: PROMAX “TX-117” alloy brake rear FRONT HUB: Radio, Cobalt, alloy cnc, fully sealed, 3/8″ cr-mo axle FRONT RIM: Radio, BX-32, double wall, 32H, alloy REAR HUB: Radio, Cobalt, alloy cnc, fully sealed, 32H, flip flop, 3/8″ cr-mo axle REAR RIM: Radio, BX-32, double wall, 32H, alloy TYRES: Arisun, XLR8, front 20″x1.95″ / rear 20″x1.75″ SPROCKET: RADIO alloy, 44t sprocket CRANKS: RADIO “Cobalt” forged alloy 3pc crank, 175mm long BB: Radio, BSA square taper, sealed PEDALS: Radio, Cobalt Pro, alloy SEAT: Radio Cobalt Pro, combo seat GEARING: 44/16 WEIGHT: 9.95kg/ 21.93lbs ###section### Product Highlights Pro sized BMX race bike for riders who need a full size BMX. Typically suited to riders 5ft 3" to 5ft 8" (160cm - 175cm) A BMX race specific bike great for those riders just getting started Strong and lightweight construction Sealed bearings throughout Integrated headset ###shogun-image-section###
Leon Hoppe signature guard sprocket from Radio bikes, 7mm thick alloy, 25t Only available in Black, Purple & Polished ###section### Product Specs TYPE: Bolt On MATERIAL: Alloy WEIGHT: 150g / 5.3oz
The Radio Helium frames took the race world by storm when originally . With multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy TOP TUBE LENGTH: 20.9” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 13.9” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Hydroformed tubing for increased strength Built in chain tensioners Disc brake mounts
The Radio Helium frames took the race world by storm when originally . With multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy TOP TUBE LENGTH: 21.25” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.5” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Hydroformed tubing for increased strength Built in chain tensioners Disc brake mounts
The Radio Helium frames took the race world by storm when originally . With multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy TOP TUBE LENGTH: 21.75” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.8” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Hydroformed tubing for increased strength Built in chain tensioners Disc brake mounts
The Radio Helium frames took the race world by storm when originally . With multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy TOP TUBE LENGTH: 22.25” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.8” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Hydroformed tubing for increased strength Built in chain tensioners Disc brake mounts
The Radio Helium frames took the race world by storm when originally . With multiple world championship wins, the Helium frame is now a common sight on tracks across the globe. Radio's flagship frame now uses their own unique forged dropout design which allows it to be fully disc-brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy TOP TUBE LENGTH: 22.5” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 15.2” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Hydroformed tubing for increased strength Built in chain tensioners Disc brake mounts
The Quartz Frame is a 2 time World Championship winning super light alloy race frame. Taking the track proven. Helium Frame as a base, Radio upgraded the frame to use their new Paradigm 6061-T6 hydroformed superior tubing to shed a considerable amount of weight compared to the Helium Frame. The Quartz also uses a forged dropout design which allowes it to be fully disc brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy, Paradigm tubing TOP TUBE LENGTH: 20.5” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 13.9” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Strong and lightweight Built in chain tensioners Disc brake mounts
The Quartz Frame is a 2 time World Championship winning super light alloy race frame. Taking the track proven. Helium Frame as a base, Radio upgraded the frame to use their new Paradigm 6061-T6 hydroformed superior tubing to shed a considerable amount of weight compared to the Helium Frame. The Quartz also uses a forged dropout design which allowes it to be fully disc brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy, Paradigm tubing TOP TUBE LENGTH: 20.9” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 13.9” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Strong and lightweight Built in chain tensioners Disc brake mounts
The Quartz Frame is a 2 time World Championship winning super light alloy race frame. Taking the track proven. Helium Frame as a base, Radio upgraded the frame to use their new Paradigm 6061-T6 hydroformed superior tubing to shed a considerable amount of weight compared to the Helium Frame. The Quartz also uses a forged dropout design which allowes it to be fully disc brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy, Paradigm tubing TOP TUBE LENGTH: 21.25” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.5” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Strong and lightweight Built in chain tensioners Disc brake mounts
The Quartz Frame is a 2 time World Championship winning super light alloy race frame. Taking the track proven. Helium Frame as a base, Radio upgraded the frame to use their new Paradigm 6061-T6 hydroformed superior tubing to shed a considerable amount of weight compared to the Helium Frame. The Quartz also uses a forged dropout design which allowes it to be fully disc brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy, Paradigm tubing TOP TUBE LENGTH: 21.75” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.8” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Strong and lightweight Built in chain tensioners Disc brake mounts
The Quartz Frame is a 2 time World Championship winning super light alloy race frame. Taking the track proven. Helium Frame as a base, Radio upgraded the frame to use their new Paradigm 6061-T6 hydroformed superior tubing to shed a considerable amount of weight compared to the Helium Frame. The Quartz also uses a forged dropout design which allowes it to be fully disc brake compatible when used with the Helium disc brake mount. ###section### Product Specs MATERIAL: Hydroformed 6061 alloy, Paradigm tubing TOP TUBE LENGTH: 22.25” HEAD TUBE ANGLE: 74° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 14.8” BB HEIGHT: 11.6" WHEEL SIZE: 20" STANDOVER HEIGHT: TBC DROPOUT SIZE: 20mm HEADSET TYPE: Integrated tapered 1-1/8” – 1.5” BB TYPE: Euro SEAT TUBE DIAMETER: 27.2mm BRAKE MOUNTS: V-Brake WEIGHT: TBC ###section### Product Highlights BMX Racing Specific Geometry Race Specific Frame Strong and lightweight Built in chain tensioners Disc brake mounts