Jamis EXPLORER SPORT STEP-THRU 2019
Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum
-
Wheels 650b
-
Travel Front 80mm
-
Fork SunTour
-
Groupset Tourney, Shimano
-
Suspension Hardtail
-
Drivetrain 3 × 8
-
Brakes Rim
Parts list
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
SR Suntour XCE 27.5", coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 80mm travel
Drivetrain
Rear Derailleur
Shimano TX-800 rear, Shimano TY710 31.8mm top swing/dual pull front
Shift Levers
Shimano EZ-Fire Plus, ST-EF510, 24-speed
Cassette
Shimano HG20, 8-speed, 12-32
Crank
Shimano TY701 alloy crank with 48/38/28 chainrings, 170mm crank length, with chainguard
Bottom Bracket
Sealed cartridge, 68 x 110.5mm
Chain
KMC Z7
Pedals
Comfort platform with TPE non-slip insert
Wheels
Rims
Double-wall alloy rims, 32H, alloy hubs with QR, 14g stainless steel spokes
Tires
CST - 1918, 27.5 x 2.1
Brakes
Brakes
Tektro forged 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
Hi-rise comfort, 15D sweep x 80mm rise x 640mm wide
Grips
Kraton comfort
Headset
Internal cup, threaded, 1 1/8”
Seat
Saddle
Jamis Comfort with memory foam, synthetic suede top, burnished side panels and bumper springs
Seatpost
Suspension, alloy micro-adjust, 350mm x 27.2mm, with alloy QR clamp
Fit data
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 | 562 mm | 584 mm | 601 mm |
| Seat Tube Angle | 72 ° | 71 ° | 71 ° |
| Seat Tube Length | 356 mm | 406 mm | 457 mm |
| Head Tube Angle | 69 ° | 69 ° | 70 ° |
| Head Tube Length | 140 mm | 150 mm | 160 mm |
| Chainstay Length | 457 mm | 457 mm | 457 mm |
| Wheelbase | 1064 mm | 1074 mm | 1079 mm |
| Standover Height | 488 mm | 494 mm | 491 mm |
| Wheels | 650 | 650 | 650 |
Model Overview
EXPLORER SPORT STEP-THRU is a Jamis Explorer model. 16 bikes variations carry this model name so far. Check out the entire range from 2019 of this model, by clicking this link.
Model range prices
The most economical model, the Jamis EXPLORER STEP-THRU 2019 has a starting price of 429$. Jamis EXPLORER SPORT STEP-THRU 2019 on the other hand is the most expensive at 539$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Comfort bikes average price
According to our calculations, the average cost of a Comfort bike that is reliable is 360$. However, this doesn’t mean that if you spend less money on a Comfort bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Furthermore, this bike was made available in 2019 for 539$. In conclusion, this bike price is 49.72% higher than the price of the average Comfort bike.
Comfort bikes average weight
Comfort bikes have an average weight of 15.11 kg (33.31 lbs). It is a good advantage to have a lighter bike than the average. However, a heavier bike is more efficient on descents.
slightly heavier than average, EXPLORER SPORT STEP-THRU has a weight of 15.65 kg (34.5 lbs). In other words, this model is 3.57% heavier than the average Comfort bike.
EXPLORER SPORT STEP-THRU components
Fork
The SunTour is included from the factory. It has a travel distance of 80mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
EXPLORER SPORT STEP-THRU has an aluminum fork, which doesn’t add too much extra weight to the bike. However, it is not so stiff as steel or carbon forks are.
Wheels size
As for the wheels, Jamis EXPLORER SPORT STEP-THRU 2019, has a aluminum model. After 700c wheels, 650b is the second most popular choice for road bikes. However, they don’t perform so well when you go over bumps and obstacles.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Rim brakes. Rim brakes deliver an average performance overall. However, they have problems in wet conditions.
