Bicycle Archive · Specification report

2026 Transition Sentinel Alloy Eagle 90

Velopedia Archive ID 900001585

Overview

Model year	2026
Brand	Transition
Model	Sentinel Alloy Eagle 90
Bicycle type	Mountain
Archive ID	900001585
Original MSRP	$5,499.00
Colors	Silver Mist, Desert Dusk
Sizes	Small MX, Medium MX, Medium 29, Large MX, Large 29, X-Large 29

Frameset

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

Drivetrain

Shifters	SRAM Eagle 90 MMX
Rear derailleur	SRAM Eagle 90
Crankset	SRAM Eagle 90 DUB29(30t/165mm)27.5(32t/165mm)
Cassette	SRAM XS 1275 T-Type (10-52t)
Chain	SRAM GX Eagle Transmission

Brakes

Brakes	SRAM Maven Silver; Rotors: SRAM Centerline (180/200mm)

Cockpit & contact points

Headset	FSA No.57E
Handlebar	Race Face TurbineXS(760x20)SM(780x20)MD(780x40)LG/XL/XXL(800x40)
Stem	Race Face Aeffect R (40mm)
Saddle	SDG Bel Air 3
Seatpost	OneUp Dropper PostXS(120mm)SM(150mm)MD(190mm)LG(210mm)XL/XXL(240mm)

Wheels & tires

Hubs	DT Swiss 370 Ratchet LN
Rims	DT Swiss M 1900 Spline 30
Spokes	DT Swiss Champion
Front tire	Maxxis Assegai 3CMaxxGrip EXO+ (2.5)
Rear tire	Maxxis Minion DHRII3C MaxxTerra EXO+ (2.4)
Wheel size	29" & Mixed

Geometry · SM · Alloy Mixed

Seat tube	360 mm
Effective top tube	557 mm
Head tube	100 mm
Head-tube angle	63.6°
Chainstay / rear center	440 mm
Wheelbase	1208 mm
Bottom-bracket drop	31 mm
Reach	426 mm
Stack	618 mm
Standover height	690 mm

Geometry · MD · Alloy Mixed

Seat tube	390 mm
Effective top tube	586 mm
Head tube	110 mm
Head-tube angle	63.6°
Chainstay / rear center	440 mm
Wheelbase	1237 mm
Bottom-bracket drop	31 mm
Reach	451 mm
Stack	624 mm
Standover height	690 mm

Geometry · LG · Alloy Mixed

Seat tube	430 mm
Effective top tube	614 mm
Head tube	120 mm
Head-tube angle	63.6°
Chainstay / rear center	440 mm
Wheelbase	1267 mm
Bottom-bracket drop	31 mm
Reach	476 mm
Stack	636 mm
Standover height	695 mm

Geometry · XL · Alloy Mixed

Seat tube	460 mm
Effective top tube	642 mm
Head tube	130 mm
Head-tube angle	63.6°
Chainstay / rear center	444 mm
Wheelbase	1300 mm
Bottom-bracket drop	31 mm
Reach	501 mm
Stack	646 mm
Standover height	705 mm

Geometry · SM · Alloy 29

Seat tube	360 mm
Effective top tube	557 mm
Head tube	100 mm
Head-tube angle	64°
Chainstay / rear center	442 mm
Wheelbase	1208 mm
Bottom-bracket drop	25 mm
Reach	430 mm
Stack	615 mm
Standover height	690 mm

Geometry · MD · Alloy 29

Seat tube	390 mm
Effective top tube	586 mm
Head tube	110 mm
Head-tube angle	64°
Chainstay / rear center	442 mm
Wheelbase	1237 mm
Bottom-bracket drop	25 mm
Reach	455 mm
Stack	621 mm
Standover height	690 mm

Geometry · LG · Alloy 29

Seat tube	430 mm
Effective top tube	614 mm
Head tube	120 mm
Head-tube angle	64°
Chainstay / rear center	442 mm
Wheelbase	1267 mm
Bottom-bracket drop	25 mm
Reach	480 mm
Stack	633 mm
Standover height	695 mm

Geometry · XL · Alloy 29

Seat tube	460 mm
Effective top tube	642 mm
Head tube	130 mm
Head-tube angle	64°
Chainstay / rear center	446 mm
Wheelbase	1300 mm
Bottom-bracket drop	25 mm
Reach	505 mm
Stack	642 mm
Standover height	705 mm

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