Jamis EXPLORER A2 STEP-THRU 2021
2021 Urban
Estimate price |
499$
Weight | 13.83 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650b -
Groupset Tourney, Shimano -
Suspension Rigid -
Drivetrain 3 × 7 -
Brakes Rim
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
6061 TIG-welded aluminum, all-new sport comfort design with upright ride position, replaceable derailleur hanger, center-mount kickstand bracket
Suspension Fork
Hi-tensile steel unicrown, radius blades with dropout eyelets
Drivetrain
Rear Derailleur
Shimano TY300
Front Derailleur
TY510 top swing/dual pull
Shift Levers
Shimano EZ-Fire Plus, ST-EF500, 21-speed
Cassette
Shimano freewheel 7-speed, 14-34
Crank
Forged alloy, 48/38/28T, 170mm with chainguard
Bottom Bracket
Sealed cartridge, 68 x 110.5mm
Chain
KMC Z7
Pedals
Comfort platform with TPE non-slip insert
Wheels
Rims
Alloy 36H rims, Formula alloy hubs, QR front and rear, 14g stainless steel spokes
Tires
CST - 1918, 27.5 x 2.1
Brakes
Brakes
ProMax alloy direct pull brakes with Shimano levers
Cockpit
Stem
Jamis alloy, angle-adjustable, 90mm ext x 150mm quill (14–18") or 110mm ext x 180mm quill (19–21”)
Handlebar
Comfort hi-rise, steel, 25.4 x 80mm rise x 15? sweep x 620mm
Grips
Kraton comfort
Headset
Internal cup, threaded, 1 1/8”
Seat
Saddle
Jamis Comfort with extra thick padding, synthetic suede top, burnished side panels and bumper springs
Seatpost
Alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 14" | 16" | 18" |
|---|---|---|---|
| Bottom Bracket Height | 284 mm | 284 mm | 284 mm |
| Rake | 42 mm | 42 mm | 42 mm |
| Top Tube Length | 564 mm | 585 mm | 601 mm |
| Seat Tube Angle | 72 ° | 71 ° | 71 ° |
| Seat Tube Length | 356 mm | 406 mm | 457 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 160 mm | 170 mm | 180 mm |
| Chainstay Length | 457 mm | 457 mm | 457 mm |
| Wheelbase | 1064 mm | 1074 mm | 1079 mm |
| Standover Height | 485 mm | 490 mm | 493 mm |
| Wheels | 650 | 650 | 650 |
Model Overview
EXPLORER A2 STEP-THRU is a Jamis Explorer model. 16 bikes variations carry this model name so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Jamis EXPLORER A2 STEP-THRU 2021 is the most affordable bike of this model and has a price of 499$. On the other hand, Jamis EXPLORER A1 2021, is the most expensive and costs 649$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Comfort bikes
According to our math, the average price for a trustworthy Comfort bike is 360$. However, even if your budget is less than the average, you might still be able to get a top-quality Comfort bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 499$. If we compare this with the average Comfort bike cost we notice that the price is 38.61% higher.
Average weight for Comfort bikes
The average weight for Comfort bikes is 15.11 kg (33.31 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
EXPLORER A2 STEP-THRU weighs 13.83 kg (30.49 lbs) and is a bit lighter than the average. In other words, this model is 9.26% lighter than the average Comfort bike.
Overview of components
Fork material
EXPLORER A2 STEP-THRU has a steel fork, so, it can add some extra weight to your bike. However, steel is a pretty tough and durable material.
Wheels size
The wheels on EXPLORER A2 STEP-THRU are the aluminum type. The 650b wheels are very similar to 700c, with a slight difference in diameter. However, they don’t perform so well when you go over bumps and obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Jamis EXPLORER A2 STEP-THRU is equipped with Rim brakes. Rim brakes deliver an average performance overall. However, they are not nearly as effective as hydraulic brakes are.