Experienced Mechanics
10+ years of hands-on repair experience
Approval Before Work
We text you before any additional service
Fast Turnaround
Clear pickup time provided after check-in
Klein Stage Comp Flat Bar Conversion
Sale price
$399.00
Regular price
$599.00
Vintage Klein Stage Comp — Flat Bar Conversion (51cm)
Built & Serviced by Jersey City Bicycle Co.
A rare Klein with a fresh, modern twist. This Vintage Klein Stage Comp (51cm) was fully converted into a smooth-handling flat-bar commuter — perfect for riders who want classic American frame quality with upgraded, city-ready control.
This build went through our full JCBC service bench and rides tight, responsive, and reliable. Ideal for Jersey City, Hoboken, and urban riding where agility matters.
Key Features & Upgrades
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Flat Bar Conversion
More control, more comfort, and better visibility in city traffic. -
3x8 Drivetrain
Wide gearing range for hills, bridges, and everyday riding. -
Brand New SRAM Shifters
Crisp, reliable shifting with modern ergonomics. -
All-New Cables & Housing
Fresh brake + shift cables installed throughout for smooth performance. -
New Grips
Comfortable, clean, and ready to ride. -
Manhattan Portage Handlebar Bag Included
Perfect for keys, wallet, tools, or daily essentials.
Fit & Frame Details
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51cm frame — great for riders approx. 5'4"–5'7" (flexible depending on your fit preferences).
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Classic Klein build quality — lightweight, durable, and sought-after by vintage bike collectors.
Why Buy From Jersey City Bicycle Co.?
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Professionally assembled and tuned by our master mechanics
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Test-ridden and safety-checked before pickup
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Local service, brake/shift adjustments for life, and real support — not a warehouse bike
Available now at Jersey City Bicycle Co. in Hamilton Park.
Tune-Up FAQ
How do I know which tune-up I need?
If your bike feels off, noisy, or hasn’t been serviced in a while, a tune-up is the right place to start.
Not sure? Book a Diagnostic and we’ll guide you.
How long does a tune-up take?
Most tune-ups are completed within 1–3 days, depending on service level and current shop volume.
We’ll give you a pickup estimate after check-in.
Is my booking time my pickup time?
No — your booking time is for drop-off only.
We’ll inspect your bike and confirm timing once it’s checked in.
What’s included in a tune-up?
Each tune-up includes adjustments, safety checks, and servicing based on the level you choose.
Full details are listed above for each package.
What if my bike needs additional parts?
We’ll inspect your bike first and text you before doing anything extra.
No surprises — ever.
Do you work on all bikes?
We service most standard bikes and many e-bikes.
For specific or complex setups, we may recommend a diagnostic first.
Do you guarantee your work?
Yes — we stand behind our work.
If something isn’t right with the service performed, bring it back and we’ll take a look.
View full details in our Service Policy