Bicycle Archive · Specification report

2021 Jamis Dragon 29

Velopedia Archive ID 900001662

Overview

Model year	2021
Brand	Jamis
Model	DRAGON 29
Bicycle type	Mountain
Archive ID	900001662
Original MSRP	$2,599.95
Colors	Black Pearl or Midnight Blue
Sizes	S/15″; M/17″; L/19″; XL/21″
Weight	32 lbs

Frameset

Frame construction	Reynolds 520 steel, 44mm head tube, 31.6 I.D. seat tube, internal dropper post routing, ISCG05, 12x148mm thru-axle dropouts
Frame material	Steel
Fork	Fox 34 Rhythm Series Float 29” w/ sweep adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 140mm travel, 51mm rake.
Fork material	Aluminum

Drivetrain

Component group	Shimano SLX, 12-speed
Shifters	Shimano SLX, 1×12-speed
Rear derailleur	Shimano SLX, 12-speed
Crankset	Race Face Ride, 32T
Bottom bracket	Race Face BSA
Cassette	Shimano M7100, 12-speed, 10-51T
Chain	KMC X12, 12-speed

Brakes

Brakes	Shimano MT420 4-piston hydraulic disc, 180mm RT30 rotors

Cockpit & contact points

Headset	FSA Orbit, Alloy cups
Handlebar	Race Face Ride, 35 x 760mm
Stem	Race Face Ride, 50mm
Saddle	WTB Volt
Seatpost	KS Rage Dropper, Southpaw remote

Wheels & tires

Wheels	Stan’s No Tubes Flow D 29” rims, Shimano MT410 15x110mm front & 12x148mm rear hubs, stainless spokes
Front tire	WTB Vigilante 29 x 2.5” Front & Trail Boss 29 x 2.4” Rear, TCS Tubeless
Rear tire	WTB Vigilante 29 x 2.5” Front & Trail Boss 29 x 2.4” Rear, TCS Tubeless
Wheel size	29

Geometry · S/15″

Effective top tube	597 mm
Head tube	90 mm
Head-tube angle	65°
Seat-tube angle	76°
Chainstay / rear center	435 mm
Wheelbase	1193 mm
Bottom-bracket drop	60 mm
Reach	440 mm
Stack	631 mm
Standover height	775 mm

Geometry · M/17″

Effective top tube	622 mm
Head tube	100 mm
Head-tube angle	65°
Seat-tube angle	76°
Chainstay / rear center	435 mm
Wheelbase	1220 mm
Bottom-bracket drop	60 mm
Reach	463 mm
Stack	640 mm
Standover height	788 mm

Geometry · L/19″

Effective top tube	648 mm
Head tube	110 mm
Head-tube angle	65°
Seat-tube angle	76°
Chainstay / rear center	435 mm
Wheelbase	1239 mm
Bottom-bracket drop	60 mm
Reach	486 mm
Stack	648 mm
Standover height	792 mm

Geometry · XL/21″

Effective top tube	673 mm
Head tube	120 mm
Head-tube angle	65°
Seat-tube angle	76°
Chainstay / rear center	435 mm
Wheelbase	1275 mm
Bottom-bracket drop	60 mm
Reach	509 mm
Stack	658 mm
Standover height	796 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 13, 2026.