Jamis commuter 1 STEP-OVER 2019
Bike details
Key information split into simple groups.
Bike summary
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Frame Steel
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Wheels 700c
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Groupset Altus, Shimano
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Suspension Rigid
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Drivetrain 1 × 7
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Brakes Rim
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Hi-Tensile steel frame, new sloping design, kickstand mounts, forged dropouts and fender/rack eyelets
Suspension Fork
Jamis City/Cross hi-tensile steel unicrown, straight blades with low rider mounts and double fender eyelets
Drivetrain
Rear Derailleur
Shimano Altus, RD-M310 rear
Shift Levers
Shimano RevoShift SL-RS35, 7-speed
Cassette
Shimano MF-TZ500 7-speed, 14-34T
Crank
Forged alloy crank, single 44T chainring, 170mm, with full length chainguard
Bottom Bracket
Sealed cartridge, 68 x 122.5mm
Chain
KMC Z7
Pedals
Comfort platform with TPE non-slip insert
Wheels
Rims
Alex ID-19 double wall alloy rims with GSW sidewall, 32H, alloy hubs with QR and 14g stainless steel spokes
Tires
CST Corporal with puncture protection and silver safety stripe, 700 x 38c
Brakes
Brakes
Forged alloy linear-pull brakes with Tektro CL530 ergonomic design alloy brake lever with kraton insert
Cockpit
Stem
Jamis alloy hi-rise, quill type, 35? x 90mm with 180mm quill
Handlebar
Jamis ARC, 6061 aluminum, 25.4 x 35? sweep x 580mm (F 14", 18") 600mm (M 15”, 17”, 19”, 21”, 23”)
Grips
Anatomic double density kraton with reflective end plug
Headset
Water-resistant sealed mechanism, threaded, 1 1/8”
Seat
Saddle
Jamis Metro Sport with synthetic suede cover, burnished sides, gender specific
Seatpost
Jamis alloy micro-adjust, 25.4 x 350mm with alloy clamp and QR seatpinin
Fit data
Numbers for sizing and ride feel.
| Size | 14" | 18" |
|---|---|---|
| Stack Reach Ratio | 1.41 mm | 1.44 mm |
| Front Center | 642 mm | 637 mm |
| Rake | 50 mm | 50 mm |
| Trail | 74 mm | 67 mm |
| Stack | 577 mm | 591 mm |
| Reach | 410 mm | 411 mm |
| Top Tube Length | 568 mm | 578 mm |
| Seat Tube Angle | 74.5 ° | 74 ° |
| Seat Tube Length | 356 mm | 457 mm |
| Head Tube Angle | 70 ° | 71 ° |
| Head Tube Length | 120 mm | 130 mm |
| Chainstay Length | 452 mm | 452 mm |
| Wheelbase | 1085 mm | 1080 mm |
| Bottom Bracket Drop | 70 mm | 70 mm |
| Standover Height | 650 | 666 mm |
| Wheels | 700 | 700 |
About this model
commuter 1 STEP-OVER completes the Jamis Commuter model. There are 6 bikes that carry this model name. Check out the entire range from 2019 of this model, by clicking this link.
Model range prices
Jamis commuter 1 STEP-OVER 2019 is the cheapest bike model and costs 429$. Jamis commuter 3 2019 is the most expensive one and costs 699$.
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.
Commuter bikes average price
If you want to purchase a solid Commuter bike, it is important to know that the average cost is 762$. However, this doesn’t mean that if you spend less money on a Commuter bike, you couldn’t get a decent one. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
This bike was released in 2019 and its price was 429$. Doing a quick comparison, we notice that commuter 1 STEP-OVER price is 77.62% lower than the average cost of a Commuter bike.
Average weight for Commuter bikes
Commuter bikes weigh an average of 14.29 kg (31.5 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Weighing 15.88 kg (35.01 lbs), the commuter 1 STEP-OVER model is considerably heavier than average. To sum up, it’s 11.13% heavier than the average weight of Commuter bikes.
commuter 1 STEP-OVER components
Fork material
The fork on this bike is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels
When it comes to wheels, the commuter 1 STEP-OVER bike is equipped with the 700c aluminum model. 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
When you want to stop the bike in time, the brakes are vital. The commuter 1 STEP-OVER has Rim brakes. Rim brakes deliver an average performance overall. However, they are not nearly as effective as hydraulic brakes are.
