Silverback Spyke 20 (Gen4)

Name: Silverback Spyke 20 (Gen4)
Brand: Silverback

2025 YouthMountain youth Manufacturer page

Price: Not published

Prices shown first for United States
Europe: €499 Last known price
Fork travel: 40 mm
Wheels: 20″
Drivetrain: 1 × 7 32t / 12–28t
Gear range: 233%
Weight: 12.64 kg 27.9 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Mechanical disc

Rider height by size (cm)

Size guide

SM 114–132

Components

8 of 21 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

New Spyke 20 Frame, Updated Geometry and formed tubing, 6061 Alloy, 1 - 1/8" HT, IS Disc Tabs Not identified

Suspension

1 part

Fork
- Zoom

Drivetrain

6 parts

Bottom bracket
- FSA MegaExo K-Force crank to BSA 68/73mm frame
Cassette
- Shimano CS-HG200 12–28t
CS-HG200
Chain
- Shimano CN-HG40
CN-HG40
Crankset

Alloy, 127mm, 32T chainring Not identified
Rear derailleur
- Shimano Tourney RD-TY500 7 speeds
RD-TY500
Shifters
- Shimano SL-RV300-7R 7 speeds
SL-RV300-7R

Brakes

2 parts

Brakes
- Tektro MD-M280
MD-M280
Disc rotors

F: 160mm, 6-bolt R: 160mm, 6-bolt Not identified

Wheels and tires

4 parts

Front hub

F: Alloy, 24H, 100 x 9mm, 6-bolt Disc, QR R: Alloy, 24H, 135 x 9mm, 6-bolt Disc, QR Not identified
Rear hub

F: Alloy, 24H, 100 x 9mm, 6-bolt Disc, QR R: Alloy, 24H, 135 x 9mm, 6-bolt Disc, QR Not identified
Rims

F: 20" Alloy Single Wall, 24H R: 20" Alloy Single Wall, 24H Not identified
Tires
- Wanda

Cockpit and contact points

7 parts

Grips

110mm Long, Grip Shift Not identified
Handlebar

Alloy, 580mm x 25.4, 10°, H:15mm Not identified
Headset

1-1/8" Headset, Press in cups Not identified
Pedals

9/16″ Ball, PP Not identified
Saddle

Spyke kids Not identified
Seatpost

Alloy, 27.2mm x 250mm Not identified
Stem

Alloy, 25.4mm E:60mm H:41mm 15° Not identified

Sizes and geometry

1 size Open in the geometry plotter

Enter your height to highlight matching ranges.

Size SM

Table

Reach 305mm

Stack 440mm

Wheelbase 879mm

Head angle 70.0°

Seat angle 72.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 20″ wheel; exact published values are in the table below. Bottom bracket drop is derived from the published bottom bracket height.

Size Reported by the manufacturer

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Reachmm	305
Stackmm	440
Top tube lengthmm	444
Seat tube lengthmm	255
Head tube lengthmm	100
Head tube angle	70°
Seat tube angle	72.5°
Chainstay lengthmm	375
Wheelbasemm	879
Bottom bracket heightmm	245
Standover heightmm	508
Stack/reach ratio	1.44

Not published by the manufacturer: Front center, Bottom bracket drop, Fork rake, Trail, 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: Steel
Bicycle weight: 12.64 kg

27.9 lb

Suspension

Suspension configuration: Hardtail
Front travel: 40 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 7
Smallest sprocket: 12
Largest sprocket: 28
Lowest gear: 22.9 in
Highest gear: 53.3 in

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
Fork spring: Coil
Tire clearance: Maximum tire width: 2.35″
Tire width: 2.35″
Wheel material: Aluminum
Wheel size: 20″

Technical analysis

3 measures

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

Lowest gear

22.9 gear inches

This value is above the central range for this class.

Cohort: Youth / Mountain youth Model year: 2025
Sample: 257 bicycles with this information
Coverage: 70.0% of the class

Highest gear

53.3 gear inches

This value is within the central range for this class.

Cohort: Youth / Mountain youth Model year: 2025
Sample: 257 bicycles with this information
Coverage: 70.0% of the class

Shifting

Mechanical

10 of 367 bicycles with this information use electronic shifting.

Cohort: Youth / Mountain youth Model year: 2025
Sample: 367 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 8.8 km/h
Highest gear: 20.4 km/h

Total gear range 233%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 22.9–53.3 gear inches
Class reference (p10–p90): 14.0–80.0 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Youth / Mountain youth Model year: 2025
Lowest gear: 257 bicycles with this information, 70.0% of the class
Highest gear: 257 bicycles with this information, 70.0% 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 2025 builds
Specification	This bicycle Silverback Spyke 20 (Gen4)	Silverback Spyke 20	Silverback Spyke 24	Silverback Spyke 24D (gen4)	Silverback Spyke 24 SE (Gen4)	Silverback Spyke 26
Frame
Frame material	Aluminum	Not informed	Aluminum	Aluminum	Aluminum	Aluminum
Fork material	Steel	Not informed	Steel	Steel	Not informed	Not informed
Bicycle weight	12.64 kg	12.64 kg	13.66 kg	13.66 kg	13.66 kg	13.82 kg
Weight limit	Not informed	Not informed	Not informed	Not informed	Not informed	120 kg
Suspension
Suspension configuration	Hardtail	Rigid	Hardtail	Hardtail	Hardtail	Hardtail
Front travel	40 mm	Not informed	50 mm	50 mm	50 mm	100 mm
Drivetrain
Front chainrings	1	Not informed	1	1	1	1
Smallest chainring	32	Not informed	32	32	32	Not informed
Largest chainring	32	Not informed	32	32	32	Not informed
Rear sprockets	7	Not informed	7	7	8	8
Smallest sprocket	12	Not informed	14	12	12	Not informed
Largest sprocket	28	Not informed	34	28	32	Not informed
Lowest gear	22.9 in	Not informed	22.6 in	27.4 in	24.0 in	Not informed
Highest gear	53.3 in	Not informed	54.9 in	64.0 in	64.0 in	Not informed
Brakes
Brake type	Mechanical disc	Not informed	Mechanical disc	Mechanical disc	Hydraulic disc	Mechanical disc
Cockpit
Seatpost	Rigid seatpost	Not informed	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Bottom bracket standard	BSA	Not informed	BSA	BSA	BSA	BSA
Fork spring	Coil	Not informed	Coil	Coil	Coil	Coil
Suspension	Hardtail	Rigid	Hardtail	Hardtail	Hardtail	Hardtail
Tire clearance	Maximum tire width: 2.35″	Not informed	Maximum tire width: 2.35″	Maximum tire width: 2.35″	Maximum tire width: 2.35″	Maximum tire width: 2.3″
Tire width	2.35″	Not informed	2.35″	2.35″	2.35″	2.35″
Wheel material	Aluminum	Not informed	Aluminum	Aluminum	Aluminum	Aluminum
Wheel size	20″	20″	24″	24″	24″	26″