Jamis DXT A2 Step-Over Frame 2021
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 700c
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Travel Front 75mm
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Fork SunTour
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Groupset Acera, Tourney
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Suspension Hardtail
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Drivetrain 2 × 8
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Brakes Hydraulic Disc
Parts list
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 HLO, aluminum lowers, coil spring, 28mm stanchions, 1-1/8” steerer, aluminum crown, hydraulic lock out, 75mm travel
Drivetrain
Rear Derailleur
Shimano Acera RD-M360
Front Derailleur
Shimano FD-TY710-2
Shift Levers
Shimano Altus Rapid Fire SL-M315, 16-speed
Cassette
Shimano HG31, 8-speed, 11-34T
Crank
Shimano FC-TY501-2, 46/30, 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, 36H, alloy disc hubs with QR and 14g black electroplated spokes
Tires
CST Dual Sport Tire, 700 x 42c
Brakes
Brakes
Tektro HD-276 hydraulic disc brakes with 83mm reach, 160mm rotors and Tektro brake levers.
Cockpit
Stem
Jamis Trekking, 3D forged alloy, 15 ? rise, Length-60mm
Handlebar
Jamis Riser bar, double-butted aluminum, 25.4 x 10 ? sweep x 20mm rise x 640mm (14-18”), 660mm (20”)
Grips
ERGO Type Grip
Headset
Internal Cup, threadless, 1 1/8”
Seat
Saddle
NEW Jamis Touring Women’s with SL cover
Seatpost
Jamis alloy micro-adjust, 31.6 x 350mm alloy clamp with QR seatpin
Fit data
Numbers for sizing and ride feel.
| Size | 14" | 18" | 20" |
|---|---|---|---|
| Stack Reach Ratio | 1.67 mm | 1.67 mm | 1.68 mm |
| Front Center | 624 mm | 624 mm | 620 mm |
| Rake | 40 mm | 40 mm | 40 mm |
| Trail | 90 mm | 88 mm | 81 mm |
| Stack | 639 mm | 647 mm | 655 mm |
| Reach | 383 mm | 387 mm | 391 mm |
| Top Tube Length | 564 mm | 564 mm | 577 mm |
| Seat Tube Angle | 73.5 ° | 74 ° | 73.5 ° |
| Seat Tube Length | 356 mm | 457 mm | 508 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 71.5 ° |
| Head Tube Length | 125 mm | 131 mm | 135 mm |
| Chainstay Length | 447 mm | 447 mm | 447 mm |
| Wheelbase | 1064 mm | 1064 mm | 1060 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm |
| Standover Height | 648 mm | 671 mm | 669 mm |
| Wheels | 700 | 700 | 700 |
Model Overview
DXT A2 Step-Over Frame completes the Jamis Dxt model. 33 bikes variations carry this model name so far. Take a sneak peek at all Jamis Dxt bikes models from 2021, by clicking here.
Model range prices
Jamis DXT A3 STEP-OVER 2021 is the most economical model, with a starting price of 599$. Jamis DXT A1 2021 on the other hand costs 979$, and is the most expensive model.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Fitness bikes
If you want an acceptable Fitness bike you should know that the average price is 656$. However, this doesn’t mean that if you spend less money on a Fitness bike, you couldn’t get a decent one. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
When Jamis released this model in 2021, its price was 749$. Doing a quick comparison, we notice that DXT A2 Step-Over Frame price is 14.18% more expensive than the average cost of a Fitness bike.
Average weight for Fitness bikes
On a deeper look, we notice that the average weight of a Fitness bike is 11.24 kg (24.78 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
Weighing 14.06 kg (31 lbs), the DXT A2 Step-Over Frame model is much heavier than average. In short, the average Fitness bike weight is 25.09% lower than this one.
Internal Cable Routing
Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.
Overview of components
Fork
Jamis DXT A2 Step-Over Frame 2021 bike is equipped with the SunTour fork, and has 75mm travel. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Fork material
When it comes to the fork, this bike has an aluminum one, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
When leaving the production line, the DXT A2 Step-Over Frame model has 700c aluminum wheels. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
