PREVIEW-MY23 RADIO BIKES ZUMA MOUNTAINBIKE LINE RADIO BIKE CO. ZUMA MTB-MY 2023
ALL RIGHTS RESERVED, WE MAKE THINGS GMBH
© 2023
1
INDEX-ZUMA MTB ZUMA 14 inch
04 -05
ZUMA 16 inch
06 -07
ZUMA 20 inch
08 -10
ZUMA 24 inch
11 -16
ZUMA 26 inch
17 -22
RADIO-ZUMA Welcome to the MY2023 Radio Bikes Zuma Line preview.
As Radio Bikes has expanded outside of the realm
a more advanced MTB for off-road riding conditions
of BMX over the past few years and into the world of
- for weekend rides with the parents.
BMX racing, urban bikes and more recently MTB, our With a full range of sizes from 14” for the first-time
sible for the best price has not changed but become
rider, all the way through to a 26” wheeler (for the
more focused.
aspiring rookie), there is a ZUMA for every rider. These carefully spec’d bikes feature a super light-
As a brand committed to ensuring younger riders
weight alloy frame and fork with double wall rims
have the very best start with their love of bikes, we
and child specific aftermarket components from
looked onwards and into the market of children’s
PROMAX, KMC, FSA, Vee Rubber and Satori, making
MTB bikes. Having the right bike for your child is so
them suit the rider’s size perfectly but look, feel and
important. It should be a bike comfortable enough
ride just like a high-end full adult size MTB.
for them to really learn the basics of the sport but well spec’d enough to allow them to grow and prog-
For MY2023 the ZUMA bikes are finished off with
ress. Allowing nothing to hold them back is some-
brand new colourways and exciting eye-catching
thing we truly believe in, and the right bike will start
decals which we’re sure that kids of all ages will be
a love affair which will last a lifetime.
stoked on and will inspire them to get out on the bike every day they can.
Buying a bike for your child can be daunting and that’s why we developed the ZUMA range to make it
Children are the future, and the ZUMA line is de-
that much easier.
signed to give them the best possible in creating that future…
Based around the concept of a kid sized MTB bike, the ZUMA bikes are incredibly lightweight, with carefully researched geometry and designed specifically around smaller riders as the perfect balance between a bike for a child to learn the basics on, and
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RADIO BIKE CO. ZUMA MTB-MY 2023
key principle of providing the very best bikes pos-
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-14 INCH
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ZUMA-14 FRAME
RADIO “ZUMA 14” frame, 6061-T6 alloy
FORK
RADIO “ZUMA 14” straight rigid fork, 6061-T6 alloy
BARS
SATORI bar, 6061-T6 alloy, 19mm griptube, 25.4mm bar bore, 1”rise
GRIPS
RADIO “JUNIOR” grips, 100mm, with flange
STEM
RADIO “ZUMA 30” frontload stem, alloy, 30mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-367” lever, alloy
BRAKES
PROMAX “DSK-310” - mechanical disc front & rear brake
CRANKS
RADIO “JUNIOR” 3pc crank, forged alloy, 89mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “JUNIOR” pedals, nylon
CHAIN
KMC chain, S1 type, 1/2” x 1/8”
SPROCKET
RADIO sprocket, steel, 28t
DRIVER
18t freewheel, crmo
FRONT HUB
RADIO disc hub, alloy shell, loose ball, 3/8”s crmo axle, 20h
REAR HUB
RADIO disc hub, alloy shell, for freewheel, sealed,3/8”s crmo axle, 20h
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
REAR RIM
RADIO “J25SE” rim, alloy, double wall
SEAT
RADIO “ZUMA 1416” railed seat
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 250mm
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
VEE TIRE “CROWN GEM” tires, 2.25” front & rear
WEIGHT
7.18kg / 15.81lbs
COLOR
fresh mint
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A - TOP TUBE LENGTH
12”
B - CHAIN STAY LENGTH
10.6”
C - HEAD TUBE ANGLE
70°
D - SEAT TUBE ANGLE
73°
E - BB HEIGHT
7”
F - STANDOVER HEIGHT
4.7”
INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-16 INCH
06
ZUMA-16 FRAME
RADIO “ZUMA 16” frame, 6061-T6 alloy
FORK
RADIO “ZUMA 16” straight rigid fork, 6061-T6 alloy
BARS
SATORI bar, 6061-T6 alloy, 19mm grip tube, 25.4mm bar bore, 1”rise
GRIPS
RADIO “JUNIOR” grips, 100mm, with flange
STEM
RADIO “ZUMA 30” frontload stem, alloy, 30mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-367” lever, alloy
BRAKES
PROMAX “DSK-310” - mechanical disc front & rear brake
CRANKS
RADIO “JUNIOR” 3pc crank, forged alloy, 114mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “JUNIOR” pedals, nylon
CHAIN
KMC chain, S1 type, 1/2” x 1/8”
SPROCKET
RADIO sprocket, steel, 28t
DRIVER
16t freewheel, crmo
FRONT HUB
RADIO disc hub, alloy shell, loose ball, 3/8”s crmo axle, 20h
A - TOP TUBE LENGTH
14.75”
REAR HUB
RADIO disc hub, alloy shell, for freewheel, sealed,3/8”s crmo axle, 20h
B - CHAIN STAY LENGTH
11.4”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
69°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
73°
SEAT
RADIO “ZUMA 1416” railed seat
E - BB HEIGHT
8”
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 250mm
F - STANDOVER HEIGHT
5.8”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
VEE TIRE “CROWN GEM” tires, 2.25” front & rear
WEIGHT
7.82kg / 17.24lbs
COLOR
turbo green
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-20 INCH
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ZUMA-20
RADIO BIKE CO. ZUMA MTB-MY 2023
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-20
INCH
FRAME
RADIO “ZUMA 20” frame, 6061-T6 alloy
FORK
RADIO “ZUMA 20” straight rigid fork, 6061-T6 alloy
BARS
RADIO “ZUMA 20” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
GRIPS
RADIO “ZUMA” grips, 110mm, flangeless
STEM
RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-367” lever, alloy
BRAKES
PROMAX “DSK-310” - mechanical disc front & rear brake
CRANKS
RADIO “ZUMA” 3pc crank, forged alloy, 145mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “JUNIOR” pedals, nylon
CHAIN
KMC chain, Z1 narrow type, 1/2” x 3/32”
SPROCKET
RADIO sprocket, steel, 32t, narrow wide
DRIVER
MICROSHIFT 12-28t, 7speed
FRONT HUB
RADIO disc hub, alloy shell, loose ball, QR crmo axle, 20h
A - TOP TUBE LENGTH
17.3”
REAR HUB
RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 20h
B - CHAIN STAY LENGTH
14.75”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
69°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
73°
SEAT
RADIO “ZUMA 2024” railed seat
E - BB HEIGHT
10mm drop
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
F - STANDOVER HEIGHT
7.7”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
VEE TIRE “CROWN GEM” tires, 2.25” front & rear
WEIGHT
9.85kg / 21.72lbs
COLOR
black
cyan
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ZUMA-24
RADIO BIKE CO. ZUMA MTB-MY 2023
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-24 INCH
12
ZUMA-24 FRAME
RADIO “ZUMA 24” frame, 6061-T6 alloy
FORK
RADIO “ZUMA 24” straight rigid fork, 6061-T6 alloy
BARS
RADIO “ZUMA 24” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
GRIPS
RADIO “ZUMA” grips, 130mm, flangeless
STEM
RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-42” lever, alloy
BRAKES
PROMAX “DSK-310” - mechanical disc front & rear brake
CRANKS
RADIO “ZUMA” 3pc crank, forged alloy, 152mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “ZUMA” pedals, nylon, crmo axle
CHAIN
KMC chain, Z1 narrow type, 1/2” x 3/32”
SPROCKET
RADIO sprocket, steel, 32t, narrow wide
DRIVER
MICROSHIFT 11-34t, 8speed
FRONT HUB
RADIO disc hub, alloy, loose ball, QR crmo axle, 20h
A - TOP TUBE LENGTH
19.3”
REAR HUB
RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 20h
B - CHAIN STAY LENGTH
16.14”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
69°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
74°
SEAT
RADIO “ZUMA 2024” railed seat
E - BB HEIGHT
30mm drop
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
F - STANDOVER HEIGHT
9.2”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
VEE TIRE “CROWN GEM” tires, 2.25” front & rear
WEIGHT
11.28kg / 24.87lbs
COLOR
black
yellow
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-24 INCH
SUS
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RADIO BIKE CO. ZUMA MTB-MY 2023
15
SUS ZUMA-24
INCH
ZUMA-24
INCH
SUS
FRAME
RADIO “ZUMA 24” frame, 6061-T6 alloy
FORK
RST FIRST-AIR 24 “ 80mm travel
BARS
RADIO “ZUMA 24” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
GRIPS
RADIO “ZUMA” grips, 130mm, flangeless
STEM
RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-42” lever, alloy
BRAKES
TEKTRO “HD-M275” - hydraulic disc front & rear brake
CRANKS
RADIO “ZUMA” 3pc crank, forged alloy, 152mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “ZUMA” pedals, nylon, crmo axle
CHAIN
KMC chain, Z1 narrow type, 1/2” x 3/32”
SPROCKET
RADIO sprocket, steel, 32t, narrow wide
DRIVER
MICROSHIFT 11-34t, 8speed
FRONT HUB
RADIO disc hub, alloy, loose ball, QR crmo axle, 20h
A - TOP TUBE LENGTH
19.3”
REAR HUB
RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 20h
B - CHAIN STAY LENGTH
16.14”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
69°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
74°
SEAT
RADIO “ZUMA 2024” railed seat
E - BB HEIGHT
30mm drop
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
F - STANDOVER HEIGHT
9.2”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
KENDA “SMALL BLOCK” tires, 1.95” front & rear
WEIGHT
TBA
COLOR
black
yellow
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ZUMA-26
RADIO BIKE CO. ZUMA MTB-MY 2023
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-26 INCH
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ZUMA-26 FRAME
RADIO “ZUMA 26” frame, 6061-T6 alloy
FORK
RADIO “ZUMA 26” straight rigid fork, 6061-T6 alloy
BARS
RADIO “ZUMA 26” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
GRIPS
RADIO “ZUMA” grips, 130mm, flangeless
STEM
RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-42” lever, alloy
BRAKES
PROMAX “DSK-310” - mechanical disc front & rear brake
CRANKS
RADIO “ZUMA” 3pc crank, forged alloy, 165mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “ZUMA” pedals, nylon, with crmo axle
CHAIN
KMC chain, Z1 narrow type, 1/2” x 3/32”
SPROCKET
RADIO sprocket, steel, 32t, narrow wide
DRIVER
MICROSHIFT 11-42t, 8speed
FRONT HUB
RADIO disc hub, alloy, loose ball, QR crmo axle, 28h
A - TOP TUBE LENGTH
20.3”
REAR HUB
RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 28h
B - CHAIN STAY LENGTH
16.9”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
68°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
74°
SEAT
RADIO “ZUMA 26” railed seat
E - BB HEIGHT
40mm drop
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
F - STANDOVER HEIGHT
13”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
VEE TIRE “CROWN GEM” tires, 2.25” front & rear
WEIGHT
11.97kg / 26.39lbs
COLOR
black
silver
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INCH
RADIO BIKE CO. ZUMA MTB-MY 2023
ZUMA-26 INCH
SUS
20
RADIO BIKE CO. ZUMA MTB-MY 2023
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SUS ZUMA-26
INCH
ZUMA-26
INCH
SUS
FRAME
RADIO “ZUMA 26” frame, 6061-T6 alloy
FORK
RST FIRST-AIR 26 “ 80mm travel
BARS
RADIO “ZUMA 26” bar, 6061-T6 alloy, 31.8mm bar bore, 1”rise
GRIPS
RADIO “ZUMA” grips, 130mm, flangeless
STEM
RADIO “ZUMA 45” frontload stem, alloy, 45mm reach
HEADSET
FSA A-headset, loose ball
LEVER
PROMAX “BL-42” lever, alloy
BRAKES
TEKTRO “HD-M275” - hydraulic disc front & rear brake
CRANKS
RADIO “ZUMA” 3pc crank, forged alloy, 165mm length
BB
RADIO bb set, BSA, square taper, sealed bearing
PEDALS
RADIO “ZUMA” pedals, nylon, with crmo axle
CHAIN
KMC chain, Z1 narrow type, 1/2” x 3/32”
SPROCKET
RADIO sprocket, steel, 32t, narrow wide
DRIVER
MICROSHIFT 11-42t, 8speed
FRONT HUB
RADIO disc hub, alloy, loose ball, QR crmo axle, 28h
A - TOP TUBE LENGTH
19.3”
REAR HUB
RADIO “ZUMA” disc cassette hub, alloy, sealed, QR, 28h
B - CHAIN STAY LENGTH
16.14”
FRONT RIM
RADIO “J25SE” rim, alloy, double wall
C - HEAD TUBE ANGLE
69°
REAR RIM
RADIO “J25SE” rim, alloy, double wall
D - SEAT TUBE ANGLE
74°
SEAT
RADIO “ZUMA 26” railed seat
E - BB HEIGHT
30mm drop
SEAT POST
PROMAX “SP-2019” seat post, alloy, multi-adjust, 300mm
F - STANDOVER HEIGHT
9.2”
SEAT CLAMP
RADIO “SLIM” seat clamp, alloy
TIRES
KENDA “SMALL BLOCK” tires, 2.1” front & rear
WEIGHT
TBA
COLOR
black
silver
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ZUMA-SIZE CHART ZUMA 14
ZUMA 16
ZUMA 20
ZUMA 24/24 SUS
ZUMA 26/26 SUS
WHEEL SIZE
WHEEL SIZE
WHEEL SIZE
WHEEL SIZE
WHEEL SIZE
14”
16”
20”
24”
26”
RIDER HEIGHT
RIDER HEIGHT
RIDER HEIGHT
RIDER HEIGHT
RIDER HEIGHT
95–110CM
105–120CM
115–135CM
128–150CM
140–160CM
AGE
AGE
AGE
AGE
AGE
3–5
4–7
6–10
8–12
13+
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RADIO BIKE CO.-MY 2022 PAGE-24
WE MAKE THINGS GmbH Richard-Byrd-Str. 12 D-50829 Cologne / Germany Tel: +49 (0)221-500057-20 Fax: +49 (0)221-500057-29 Email: mail@radiobikes.com