RADIO COBALT JUNIOR BMX RACE BIKE - 18.5 TT

• Sized for a rider 140 - 150cm tall
• Sealed bearings throughout make it smooth all year long
  
• 28 hole Radio A-M5 alloy double wall rims are light and strong
  
• 6061-T6 alloy frame with built in chain tensioners
• 4.25" rise CRMO handlebars
• Short 155mm alloy cranks to suit a junior rider
• 49.75" Gear ratio is well spec'd
• 8kg = LIGHT

Radio Raceline bikes are incredibly high quality and well thought-out, components are on point - and let's not pretend we aren't concerned about looks. Luckily the Radio Cobalt Junior wins in that department too.

Put the Radio Cobalt junior race bike on your shortlist for your son or daughter's next race bike.

FRAME GEOMETRY

• TOP TUBE LENGTH: 18.5″
• CHAIN STAY LENGTH: 12.85″
• HEAD TUBE ANGLE: 73°
• SEAT TUBE ANGLE: 71°
• BB HEIGHT: 10.4″

SPECS

• FRAME: 6061 t6 alloy, forged dropouts with int. Chain tensioner
• FORK: 1", Chromoly butted steerer, hi-ten fork legs, 23mm offset
• HANDLEBAR: Seamless CRMO, 4.25" rise, 22.8" wide
• GRIPS: Radio Diamond grips, flangeless 130mm long
• STEM: Radio Cobalt top load stem, 40mm reach
• HEADSET: Radio Integrated, 1" sealed bearing
  
• BRAKE LEVER: PROMAX XL-378 alloy brake (rear)
• BRAKE: PROMAX MV-87 alloy brake (rear)
• CRANK: Radio Cobalt forged alloy 3pc square taper cranks, 155mm long
• BB: Radio BSA square taper, sealed
• PEDALS: Radio MINI PC, crmo axle
• CHAIN: KMC Z410 1/2′ x 1/8″
• SPROCKET: Radio alloy, 40t 5-bolt chainring
• DRIVER: ATA 16t freewheel, 1/2" x 3/32" CRMO
  
• FRONT HUB: Radio Cobalt alloy hub, fully sealed, 3/8″ CRMO axle, 28h
• REAR HUB: Radio Cobalt flip-flop alloy hub, fully sealed, 3/8″ CRMO axle, 28h
• RIMS: Radio A-M5 double wall alloy rims, 28h
• SEAT: Radio Mini combo seat
• SEAT POST: 22.2mm alloy
• SEAT CLAMP: Radio slim alloy seat clamp
• TIRES: Arisun XLR8 20″ x 1-1/8″ front & rear
• WEIGHT: 8.07kg