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2026 Author

Ultrasonic 26

A 26″ aluminum frame road youth bike with mid-range components and tektro hydraulic disc brakes.
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Weight23.8 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels26″ Aluminum
GroupsetCUES
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Ultrasonic 26
Other Road 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)

23 mph

Ultrasonic 26

Highest gear

(descending)

Sizing
13"

4'3" – 5'0"

Rider Fit Notes

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Geometry
Specs
Build
Frame

triple butted hydroformed alloy 6061 26"

ColorLime / Blue

Fork

alloy 6061 26"

Stem

AUTHOR alloy

Handlebar

AUTHOR Flat Top bar, 0 mm, 600 mm

Saddle

AUTHOR Champion

Seatpost

AUTHOR alloy (31.6)

TypeRigid

Pedals

plastic

Groupset
Rear Derailleur

SHIMANO Cues 6000

Crank

PROWHEEL, 32 teeth, 152 mm cranks

Shifters

SHIMANO Cues 6000 (10)

Cassette

SHIMANO CS-LG400-10, 11-48 (10)

Chain

KMC XGlide

Brakes

TEKTRO HD-M276, disc hydraulic (6" rotors)

TypeTektro Hydraulic Disc

Wheels
Rims

AUTHOR Argon 26, 32 holes

Spokes

black stainless steel 2.0 mm

Front Hub

AUTHOR Xenon, 32 holes

Rear Hub

AUTHOR Xenon, 32 holes

Tires

KENDA Small Block Eight, aramid, 26" × 2.10"

Rider Notes
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First added December 6

Last updated May 30