Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Jamis
2020 Jamis DXT A3 Step-Over
Value Guide market data · 2020 Jamis DXT A3 Step-Over
12-month trend
9%
Direction and magnitude, not judgment
vs. category average
2%
Drops faster than category avg
Price over time - 2020 Jamis DXT A3 Step-Over
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All DXT model years
2020 DXT A3 Step-Over lineup
Overview
About this bike
2020 Jamis DXT A3 Step-Over value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Fork
- SR/Suntour SF15-NVX-DS, aluminum lowers, coil spring, 28mm stanchions, 1-1/8" steerer, 75mm travel
- Frame
- Size Specific Design 6061 aluminum with redesigned rear triangle, 1 1/8" head tube, seat stays disc brake mounts, 34.9mm seat tube, replaceable derailleur hanger, fender/rack eyelets and ring lock mount eyelets
Drivetrain
- Groupset
- Shimano Tourney
- Bottom Bracket
- VP sealed cartridge, 68 x 122.5mm
- Cassette
- Shimano CS-HG200, 7-speed
- Chain
- KMC Z7
- Crankset
- Forged alloy crank with chain guard, 48/38/28T, 170mm (15-17"), 175mm (19-23")
- Front Derailleur
- Shimano TY300 rear and TY510 top swing front
- Shifters
- 12-32t
Brakes
- Brakes
- Tektro MD-280 cable-actuated disc brakes with 160mm stainless 6-bolt rotors and Shimano EF41 levers
Cockpit
- Handlebar
- Jamis Riser bar, double-butted aluminum, 25.4 x 10° sweep x 20mm rise x 640mm (15"), 660mm (17-23")
- Headset
- Internal Cup, threadless, 1 1/8"
- Saddle
- Jamis Touring with SL cover
- Seatpost
- Jamis alloy micro-adjust, 31.6 x 350mm alloy clamp with QR seatpin
- Stem
- Jamis Trekking, 3D forged alloy, 15° rise, Length-60mm (15-17"), 90mm (19-23")
- Grips
- MTB Type Grip
Wheels & Tires
- Front Tire
- CST Dual Sport Tire, 700 x 42c
- Rims
- Alex TD26 disc specific double wall alloy rims, 32H, alloy disc hubs with QR and 14g stainless steel spokes
Pedals
- Pedals
- Platform style
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Battery health
Request battery cycle count and any diagnostic report; older packs lose range and capacity.
Inspection
Motor warranty
Verify motor warranty status and any firmware updates from the manufacturer dealer.