Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 20" -
Suspension Rigid -
Brakes Rim
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
6061 T6 alloy, forged dropouts with int. chain tensioner
Suspension Fork
cr-mo, 1? butted steerer tube, hi-ten fork legs, 23mm offset
Drivetrain
Cassette
RADIO alloy, 40t sprocket
Crank
RADIO “Cobalt” forged alloy 3pc crank, 155mm long
Bottom Bracket
Radio, BSA square taper, sealed
Chain
KMC, Z6, 1/2? x 3/32?
Pedals
Radio, Cobalt Junior, nylon
Wheels
Front Hub
RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8?s, 28h, crmo axle
Rear Hub
RADIO “Cobalt” alloy CNC hub, fully sealed, 3/8?s, crmo axle, 28h, flip flop
Rims
Radio, A-M5, double wall, 28H, alloy f&r
Tires
Arisun, XLR8, 20?x 1-1/8?
Brakes
Brakes
PROMAX “MV-87” alloy brake rear
Brake Levers
PROMAX “XL-378” alloy brake rear
Cockpit
Stem
Radio, Cobalt-toploader, ext. 40mm, alloy
Handlebar
4130 seamless cr-mo
Grips
Radio, diamond knurling, closed end, flangeless, 130mm length
Headset
Radio, integrated headset, sealed, 1?
Seat
Saddle
RADIO “Mini” combo seat
Seatpost
Radio 22.2mm alloy
Fit data
Geometry
Numbers for sizing and ride feel.
Model Overview
COBALT JUNIOR is part of the Radio Cobalt model. 4 bikes variations carry this model name so far. Take a sneak peek at all Radio Cobalt bikes models from 2023, by clicking here.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for BMX bikes
If you want an acceptable BMX bike you should know that the average price is 348$. However, you could also get a good BMX bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
BMX bikes average weight
The average weight for BMX bikes is 10.54 kg (23.24 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
RADIO COBALT JUNIOR it’s weighing 8.07 kg (17.79 lbs). At this weight, is much lighter than average. In conclusion, the average BMX bike weighs 30.61% more than COBALT JUNIOR.
Overview of components
Fork material
The fork on this bike is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels size
The COBALT JUNIOR 2023 bike is equipped with 20″ aluminum wheels when leaving the factory. The 20″ wheels are a good fit for folding bikes, BMX, or children bikes. In conclusion, they are great for flat ground or very easy trails.
Brakes
For your safety, it is important to have quality breaks on your bike. RADIO COBALT JUNIOR has Rim brakes installed. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, they have problems in wet conditions.