Compare: 2026 Author A-Matrix 27.5D

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	A-Matrix 27.5D2026 Author	Recommended

MSRP
Where to Buy	— $1 At
Category	Road Youth
Weight	30.4 lbs
	3.6
Frame	Aluminum

Wheels	Aluminum
Wheel Size	27.5″
	Tektro Hydraulic Disc


	CUES
Drivetrain	1 × 9
Suspension	Hardtail
Front Travel	80mm
Brand Site	en.author.eu
Summary	The Author A-Matrix 27.5D is a 27.5″ aluminum frame road youth bike with mid-range components and tektro hydraulic disc brakes.

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Insights

Ride Feel

Based on frame geometry and build specs.

Rider Position

relaxedaggressive

A-Matrix 27.5D

Other Road Youth bikes

Gear Range

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)

24 mph

A-Matrix 27.5D

Highest gear

(descending)

Geometry

Specs

	A-Matrix 27.5D2026 Author

Frame	alloy 27.5" Colors: White / Silver / Gold; Black / Red
Fork	SUNTOUR XCE28 27.5 (80 mm) Travel: 80mm Spring Type: Coil
Stem	alloy
Handlebar	alloy, rise 20 mm, 640 mm
Saddle	AUTHOR Cadet
Seatpost	alloy (27.2) Type: Rigid
Pedals	plastic

Groupset

Rear Derailleur	SHIMANO Cues 4000
Crank	PROWHEEL, 32 teeth, 165/170 mm cranks
Shifters	SHIMANO Cues 4000 (9)
Cassette	SHIMANO CS-LG300-9, 11-46 teeth (9)
Chain	KMC XGlide
Brakes	TEKTRO HD-J2820, disc hydraulic (6" rotors) Type: Tektro Hydraulic Disc

Wheels

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