Jamis DRAGON 29 2025
2025 Mountain
Estimate price |
2,599$
Weight | 14.51 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Steel -
Travel Front 140mm -
Fork Fox Rhythm Float 34
-
Groupset SLX -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Shimano Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Reynolds 520 steel, 44mm head tube, 31.6 I.D. seat tube, internal dropper post routing, ISCG05, 12x148mm thru-axle dropouts
Suspension 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.
Drivetrain
Rear Derailleur
Shimano SLX, 12-speed
Shift Levers
Shimano SLX, 1×12-speed
Cassette
Shimano M7100, 12-speed, 10-51T
Crank
Race Face Ride, 32T
Bottom Bracket
Race Face BSA
Chain
KMC X12, 12-speed
Pedals
N/A
Wheels
Rims
Stan’s No Tubes Flow D 29” rims, Shimano MT410 15x110mm front & 12x148mm rear hubs, stainless spokes
Tires
WTB Vigilante 29 x 2.5” Front & Trail Boss 29 x 2.4” Rear, TCS Tubeless
Brakes
Brakes
Shimano MT420 4-piston hydraulic disc, 180mm RT30 rotors
Cockpit
Stem
Race Face Ride, 50mm
Handlebar
Race Face Ride, 35 x 760mm
Grips
Jamis Lock-On
Headset
FSA Orbit, Alloy cups
Seat
Saddle
WTB Volt
Seatpost
KS Rage Dropper, Southpaw remote
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.434 mm | 1.382 mm | 1.333 mm | 1.293 mm |
| Bottom Bracket Height | 314 mm | 314 mm | 314 mm | 314 mm |
| Front Center | 765 mm | 791 mm | 810 mm | 846 mm |
| Rake | 51 mm | 50 mm | 43 mm | 51 mm |
| Trail | 118 mm | 119 mm | 127 mm | 118 mm |
| Stack | 631 mm | 640 mm | 648 mm | 658 mm |
| Reach | 440 mm | 463 mm | 486 mm | 509 mm |
| Top Tube Length | 597 mm | 622 mm | 648 mm | 673 mm |
| Seat Tube Angle | 76 ° | 76 ° | 76 ° | 76 ° |
| Seat Tube Length | 381 mm | 432 mm | 483 mm | 533 mm |
| Head Tube Angle | 65 ° | 65 ° | 65 ° | 65 ° |
| Head Tube Length | 90 mm | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1193 mm | 1220 mm | 1239 mm | 1275 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm | 60 mm |
| Standover Height | 775 mm | 788 mm | 792 mm | 796 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |