Bicycle Archive · Specification report

2026 Transition Sentinel Alloy XT Youth

Velopedia Archive ID 900001435

Overview

Model year	2026
Brand	Transition
Model	Sentinel Alloy XT Youth
Bicycle type	Mountain
Archive ID	900001435
Original MSRP	$4,599.00
Colors	Deep Purple, Glacier White
Sizes	X-Small
Weight	34.4 lbs/15.58 kg

Frameset

Frame construction	Sentinel Alloy 150mm
Frame material	Aluminum
Fork	RockShox Lyrik Select+ (160mm)
Rear shock	RockShox Super Deluxe Select+ (205x60mm)

Drivetrain

Shifters	Shimano XT M8100 iSpec EV
Rear derailleur	Shimano XT M8100 SGS 12sp
Crankset	Shimano XT M8100(30t/165mm)
Cassette	Shimano XT M8100 (10-51t)
Chain	Shimano XT M8100

Brakes

Brakes	Shimano XT M8120 4 Piston; Rotors: Shimano RT86 (203mm)

Cockpit & contact points

Headset	FSA No.57E
Handlebar	ANVL Mandrel Alloy 35(800x20mm)
Stem	ANVL Swage (40mm)
Saddle	SDG Bel Air 3
Seatpost	OneUp Dropper Post(120mm)

Wheels & tires

Hubs	DT Swiss 370 Ratchet LN
Rims	DT Swiss M 1900 Spline 30
Spokes	DT Swiss Champion
Front tire	Maxxis Assegai 3C EXO+ (2.5)
Rear tire	Maxxis Minion DHRII 3C EXO+ (2.4)
Wheel size	27.5

Geometry · XS

Seat tube	360 mm
Effective top tube	527 mm
Head tube	100 mm
Head-tube angle	64°
Chainstay / rear center	436 mm
Wheelbase	1173 mm
Bottom-bracket drop	15 mm
Reach	415 mm
Stack	592 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 21, 2026.