I converted a Hyper SpinFit 700c to a drop bar gravel bike!

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I took a $148.00 Hyper SpinFit 700c bike I bought at Wal-Mart, and turned it into a rather nice commuter bike in January of 2020. Then the pandemic hit, and I was working from home. Along came July and I retired. Suddenly, I had no need for a commuter bike. Wjat to do? Well, since I had no gravel bike in my collection, I figured I'd convert the Spinfit.
I replaced the flat bar with a drop bar. Braking was an issue since regular combo shifters can't activate linear pull brakes such as those on the Spinfit. Luckily Tektro makes drop bar leers for that purpose. I mounted the Sram X4 trigger shifter I was using far inboard on the handlebar and it worked like a charm. Finishing off the conversion are a pair of Kenda Kwick 700c x 30mm treaded tires, pretty much the biggest the vintage Mavic rims can take.

Specifications and costs are listed below.

Stock Specifications
Frame: aluminum
Fork: rigid steel
Wheels: 700c single wall alloy
Hubs: unbranded
Tires: Seyoun 700c x 35
Tubes: 700c x 30, Schrader valve
Brakes: Sparkle vee-brakes
Brake levers: X-Trak plastic and alloy
Front Derailleur: Power 42T
Rear Derailleur: Shimano RD-TZ31
Freewheel: 11-28 tooth
Stem: steel quill
Handlebar: 600mm wide steel
Crankset: two piece (steel/alloy) with 170 mm arms
Chainring: 3x 42-34-28 riveted
Bottom bracket: square taper, sealed

Upgrade Costs in USD
Initial purchase: $148.00 (Wal-mart)
Snail 34 tooth narrow-wide chain ring: $19.99 (Amazon)
1985 Mavic MA 40 700c wheels: $40.00 (private sale)
BNVB 380mm aluminum drop bars: $21.99 (Amazon)
Evo 90mm Stem: $0.00 (leftover)
Sram 8 speed chain: $20.50 (Dick's Sporting Goods)
Sram NX4 rear derailleur: $0.00 (leftover)
Sram NX4 8 speed trigger shifter: $0.00 (leftover)

Total: $431.16
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I just bought this bike and I want to do this to my bike

christoffjones
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Did you change the cable wires as well ?? Or they were same as of the earlier brakes?

akshat
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I just picked up a set of BNVB bars for my own drop bar MTB conversion, how do you like them in the long term?

MaxwellStarr
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Bro is this brake perfect for v brakes?? Would there be a problem in long term??

akshat
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