Jamis DXT A3 2025
2025 Urban
Estimate price |
649$
Weight | 14.51 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Travel Front 75mm -
Fork Suntour NVX
-
Groupset Tourney -
Suspension Hardtail -
Drivetrain 3 × 7 -
Brakes Tektro MD Mechanical Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Size Specific Design 6061 aluminum with fast back rear triangle, 1 1/8” head tube, internal cable routing, chain stays disc brake mounts, 34.9mm seat tube, kickstand mount, replaceable derailleur hanger, fender/rack eyelets and ring lock mount eyelets.
Suspension Fork
SR/Suntour NVX-DS, aluminum lowers, coil spring, 28mm stanchions, 1-1/8” steerer, 75mm travel
Drivetrain
Rear Derailleur
Shimano TY300
Front Derailleur
TY510 top swing
Shift Levers
Shimano Rapid Fire SL-EF500, 2-speed
Cassette
Shimano CS-HG200, 7-speed, 12-32T
Crank
Forged alloy crank with chain guard, 48/38/28T, 170mm
Bottom Bracket
VP sealed cartridge, 68 x 122.5mm
Chain
KMC Z7
Pedals
Platform style
Wheels
Rims
Alex TD26 disc specific double wall alloy rims, 32H, alloy disc hubs with QR and 14g black electroplated spokes
Tires
CST Dual Sport Tire, 700 x 42c
Brakes
Brakes
Tektro MD-280 cable-actuated disc brakes with 160mm stainless 6-bolt rotors and Shimano EF41 levers
Cockpit
Stem
Jamis Trekking, 3D forged alloy, 15 ? rise, Length-60mm (15- 17”), 90mm (19-23”)
Handlebar
Jamis Riser bar, double-butted aluminum, 25.4 x 10 ? sweep x 20mm rise x 640mm (15”), 660mm (17-23”)
Grips
ERGO Type Grip
Headset
Internal Cup, threadless, 1 1/8”
Seat
Saddle
NEW Jamis Touring with SL cover
Seatpost
Jamis alloy micro-adjust, 31.6 x 350mm alloy clamp with QR seatpin
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 15" | 17" | 19" | 21" | 23" |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.61 mm | 1.616 mm | 1.622 mm | 1.625 mm | 1.628 mm |
| Front Center | 638 mm | 649 mm | 660 mm | 669 mm | 679 mm |
| Rake | 40 mm | 40 mm | 40 mm | 40 mm | 40 mm |
| Trail | 88 mm | 86 mm | 86 mm | 88 mm | 88 mm |
| Stack | 636 mm | 648 mm | 660 mm | 671 mm | 682 mm |
| Reach | 395 mm | 401 mm | 407 mm | 413 mm | 419 mm |
| Top Tube Length | 583 mm | 593 mm | 603 mm | 612 mm | 622 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 381 mm | 432 mm | 483 mm | 533 mm | 584 mm |
| Head Tube Angle | 70.5 ° | 70.5 ° | 70.5 ° | 70.5 ° | 70.5 ° |
| Head Tube Length | 127 mm | 140 mm | 155 mm | 167 mm | 179 mm |
| Chainstay Length | 440 mm | 440 mm | 445 mm | 445 mm | 450 mm |
| Wheelbase | 1071 mm | 1082 mm | 1099 mm | 1108 mm | 1123 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 57 mm | 57 mm | 57 mm |
| Standover Height | 748 mm | 784 mm | 811 mm | 848 mm | 883 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |