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2017 Author

Ultrasonic 26

A 26″ aluminum frame road youth bike with upper mid-range components and tektro hydraulic disc brakes.

Weight23.1 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels26″ Aluminum
Drivetrain1 × 11
GroupsetNX
BrakesTektro Hydraulic Disc
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Insights
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" – 5'2"

Rider Fit Notes

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Geometry
Specs
Build
Frame

triple butted hydroformed alloy 6061 26"

ColorSilver / Red

Fork

alloy 6061 26"

Stem

AUTHOR alloy

Handlebar

AUTHOR 25 mm 620 mm

Saddle

AUTHOR Champion CR

Seatpost

AUTHOR alloy (31.6)

TypeRigid

Pedals

alloy

Grips

AUTHOR high density foam

Groupset
Rear Derailleur

SRAM NX-1

Crank

SRAM 32 teeth 155 mm cranks

Shifters

SRAM NX-1 (11)

Cassette

SRAM PG1130 11-42 (11)

Chain

SRAM CN-1100

Brakes

TEKTRO Auriga 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

VITTORIA Barzo kevlar 26" x 2.10"

Rider Notes
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First added November 2

Last updated November 8

Not listed for 1,298 days