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2025 Silverback

Spyke 20 (Gen4)

A 20″ aluminum frame mountain youth bike with mid-range components and tektro mechanical disc brakes.
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Manufacturer Price

€499($581)
Weight27.9 lbs  
FrameAluminum
SuspensionHardtail, 40mm
ForkZoom
Wheels20″ Aluminum
Drivetrain1 × 7
GroupsetTourney
BrakesTektro Mechanical Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
Spyke 20 (Gen4)
Other Mountain Youth bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

16 mph

Spyke 20 (Gen4)

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Spyke model range

View Comparison
Sizing
SM

3'8" – 4'4"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Frame

New Spyke 20 Frame, Updated Geometry and formed tubing, 6061 Alloy, 1 - 1/8" HT, IS Disc Tabs

BB Standard: BSA, 68mm, Threaded

Tire Clearance: 2.35"

Colors: Solar Orange; Vibrant Berry; Metallic Denim Blue; Magnesium Glow

Fork

Zoom Steel suspension fork, 40mm travel, Coil

Travel: 40mm

Spring Type: Coil

Bottom Bracket

BSA68

Headset

1-1/8" Headset, Press in cups

Stem

Alloy, 25.4mm E:60mm H:41mm 15°

Handlebar

Alloy, 580mm x 25.4, 10°, H:15mm

Saddle

Spyke kids

Seatpost

Alloy, 27.2mm x 250mm

Type: Rigid

Pedals

9/16″ Ball, PP

Grips

110mm Long, Grip Shift

Groupset
Rear Derailleur

Shimano Tourney RD-TY500, 7 Speed

Crank

Alloy, 127mm, 32T chainring

Shifters

R: Shimano SL-RV300-7R, 7-speed

Cassette

Shimano CS-HG200 12-28T, 7 speed

Chain

Shimano CN-HG40 for 7 Speed

Brakes

F: Tektro MD-M280 Mechanical Disc R: Tektro MD-M280 Mechanical Disc

Type: Tektro Mechanical Disc

Wheels
Rims

F: 20" Alloy Single Wall, 24H R: 20" Alloy Single Wall, 24H

Front Hub

F: Alloy, 24H, 100 x 9mm, 6-bolt Disc, QR R: Alloy, 24H, 135 x 9mm, 6-bolt Disc, QR

Rear Hub

F: Alloy, 24H, 100 x 9mm, 6-bolt Disc, QR R: Alloy, 24H, 135 x 9mm, 6-bolt Disc, QR

Tires

F: 20 x 2.35" Wanda P1226 R: 20 x 2.35" Wanda P1226

Disc Rotors

F: 160mm, 6-bolt R: 160mm, 6-bolt

Rider Notes
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First added June 16

Last updated April 28

Not listed for 31 days