Name: Author Ultrasonic 27.5 2025
Brand: Author
SKU: 1dea1e2d-6e63-4d4c-87bd-906aa0f65c78

2025

Author - Ultrasonic 27.5

Youth · Road-Youth · Unisex

Frame material Aluminum

Wheel size 27.5

Tires Cst B-Trail, Aramid, 2...

Brake type Tektro Hd-M530, Disc H...

See all specifications ↓

RRP

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Observed price — New

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Refurbished price

1 234 €

Likely trade-in value

1 234 €

About this bike

Meet the Author Ultrasonic 27.5 2025: a youth-oriented bike in the road youth segment. Built around an aluminium frame.

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Specifications

CategoryYouth

SubcategoryRoad-Youth

Year2025

Frametriple butted hydroformed alloy 6061 27.5"

Frame materialAluminum

ForkRST F1RST 27.5, air, lock out (80 mm)

SuspensionHardtail

Sizes XXXXXXXX

Components

Rear derailleur SHIMANO Cues 6000

Brake type Tektro Hd-M530, Disc Hydraulic (6" Rotors)

Brakes TEKTRO HD-M530, disc hydraulic (6" rotors)

Handlebar AUTHOR Flat Top bar, 9°, 620 / 640 mm

Stem AUTHOR alloy

Saddle AUTHOR Champion / 14", AUTHOR Navigator / 16"

Seatpost AUTHOR alloy (31.6)

Pedals plastic

Wheels & Tires

Wheel size 27.5

Rims AUTHOR Xenon TRC 27.5, 32 holes

Tires CST B-Trail, aramid, 27.5" × 2.25"