RADIO Zuma 20″

Name: RADIO Zuma 20″
Brand: RADIO

2023 YouthMountain youth Manufacturer page

Suspension: Rigid
Wheels: 20″
Drivetrain: 1 32t
Gear range: 100%
Weight: 9.85 kg 21.7 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Mechanical disc

Sizes

Size guide

One Size

The manufacturer did not publish rider heights for these sizes.

Components

18 of 19 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

RADIO “ZUMA 20” frame, 6061-T6 alloy Not identified

Suspension

1 part

Fork
- Radio

Drivetrain

4 parts

Brakes

2 parts

Brake levers
- ProMax
BL-367
Brakes
- ProMax
DSK-310

Wheels and tires

4 parts

Cockpit and contact points

7 parts

Grips
- Radio
Handlebar
- Radio
Headset
- FSA
Pedals
- Radio
Saddle
- Radio
Seatpost
- ProMax
SP-2019
Stem
- Radio

Sizes and geometry

1 size Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size One Size

Table

Geometry diagram unavailable

The drawing needs wheelbase, reach, stack, head tube length, seat tube length and chainstay length, which the manufacturer did not publish. Available facts remain in the table.

Size

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Head tube angle	69°
Seat tube angle	73°
Bottom bracket dropmm	10

Not published by the manufacturer: Reach, Stack, Top tube length, Seat tube length, Head tube length, Chainstay length, Wheelbase, Front center, Bottom bracket height, Standover height, Fork rake, Trail, Stack/reach ratio, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Fork material: Aluminum
Bicycle weight: 9.85 kg

21.7 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Rear sprockets: 1
Smallest sprocket: 32
Largest sprocket: 32

Wheels and brakes

Wheel configuration: Same size
Brake type: Mechanical disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 2.25″
Travel: Front: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 20″

Technical analysis

1 measure

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Shifting

Mechanical

20 of 423 bicycles with this information use electronic shifting.

Cohort: Youth / Mountain youth Model year: 2023
Sample: 423 bicycles with this information
Coverage: 100.0% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2023 builds

Differences across 2023 builds
Specification	This bicycle RADIO Zuma 20″	RADIO Zuma 14″	RADIO Zuma 16″	RADIO Zuma 24″	RADIO Zuma 24″ SUS	RADIO Zuma 26″
Frame
Fork material	Aluminum	Aluminum	Aluminum	Aluminum	Not informed	Aluminum
Bicycle weight	9.85 kg	7.18 kg	7.72 kg	11.28 kg	Not informed	11.97 kg
Suspension
Suspension configuration	Rigid	Rigid	Rigid	Rigid	Hardtail	Rigid
Front travel	Not informed	Not informed	Not informed	Not informed	80 mm	Not informed
Drivetrain
Smallest sprocket	32	28	28	32	32	32
Largest sprocket	32	28	28	32	32	32
Brakes
Brake type	Mechanical disc	Mechanical disc	Mechanical disc	Mechanical disc	Hydraulic disc	Mechanical disc
Other specifications
Suspension	Rigid	Rigid	Rigid	Rigid	Hardtail	Rigid
Tire width	2.25″	2.25″	2.25″	2.25″	1.95″	2.25″
Wheel size	20″	14″	16″	24″	24″	26″
Fork spring	Not informed	Not informed	Not informed	Not informed	Air	Not informed