Harper Plus Fixie Bike - Single Speed

$299.99 Regular price

Starting at $28/mo with . See if you qualify

Pay 4 interest-free payments of $75 with

A classic reimagined, Harper Plus boasts the sleek simplicity of our Harper Fixie with premium components: a threadless steering system for stability and precision, internal bike cable routing, and stainless steel spokes.

Starting at $28/mo with . See if you qualify

Pay 4 interest-free payments of $75 with

Harper Plus Fixie Bike - Single Speed | Coastal Blue
Harper Plus Fixie Bike - Single Speed
  • Aero-style downtube frame
  • Sealed cartridge bearing hubs
  • Deep-V aero rims with stainless steel spokes
  • Threadless steering system
  • Internal cable routing
  • Rear dropout with integrated chain tensioners
43CM - XS
The delivery date is estimated based on carrier guidance. Actual delivery time may vary and is not guaranteed by Retrospec or the carrier.
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Conquer city streets on our fan-favorite fixie

Get to know your ride
Harper Plus Fixie Bike - Single Speed | Coastal Blue

High-Tensile Steel Frame

Durable build, aero-style floval downtube

700x32C Commuter Tires

Solid traction, smooth rolling

40mm Double-Wall Rims

Deep-V aero-profile

Internal Cable Routing

Sleek and low maintenance

Threadless Steering System

For precision, control and easy maintenance
Aero-style Downtube Frame
High-tensile strength steel is tough, resistant to fatigue, and shock-absorbing-a must for city riding.
Sealed Cartridge Bearing Hubs
Protect delicate bike parts from gunk in the road.
Internal Cable Routing
Runs through the frame for a sleek look and protection from the elements.
40mm Rims
Strong double-wall, 40mm rims with stainless steel spokes make for a stiffer, more stable wheel and aero-profile.
Threadless Steering System
Stronger, lighter, more precise steering, and easier to maintain.
Integrated Chain Tensioners
Precisely positions & center the rear wheel in a centered position with correct chain tension minimizing future upkeep and tuning up.
Single Speed
Single speed bikes boast fewer components than multi-gear bikes, which keeps them lighter, less complicated, and easier to maintain.
Commuter Tires
Grooved tires grip the pavement and dispel water for solid traction, rain or shine.
Flip Flop Hub
Ride freewheel or switch to fixed gear by flipping the rear wheel.
Best for pavement
All terrain

Best for flat
Some hills
  • Specifications
  • Sizing
  • Financing
  • Assembly & Owner's Manual
  • Sizes 43, 49, 53, 57, 61cm
  • Hand Built tig-welded high-tensile steel, top tube internal cable routing, "UrbanComfort" design, forged horizontal rear dropouts with integrated chain tensioners. Bar-spin clearance with no toe overlap.
  • Fork Unicrown, Threadless, 28.6mm, 1x fender-eyelet
  • Rims Retrospec aluminum double-wall 32H, 40mm deep-V-section, precision machined brake tracks
  • Hubs Retrospec large-flange aluminum alloy, sealed cartridge bearings, 32H, rear flip-flop, bolt-on: 16T FW/17T Fixed cog.
  • Spokes 14G Stainless steel
  • Tires Retrospec 700 x 32C all-season, P/V valves
  • Recommended Weight Limit 250 LBS
  • Crank Harper Forged Aluminum Alloy 170mm x 46T x1/8"
  • Chain KMC C1 1/2 x 1/8"
  • BB Sealed Cartridge, 68 x 110.5mm
  • Freewheel/Cog 16T x 1/8"
  • Headset 1 1/8" (28.6mm) steel, Threadless
  • Brakes Aluminum alloy dual-pivot side-pull calipers & aluminum brake levers. 47-57mm reach.
  • Handlebars Aluminum Alloy 520mm Wide x 30mm Rise, 25.4
  • Grips Retrospec UrbanComfort Kraton 125mm length
  • Stem Aluminum alloy 4-bolt Threadless, 80mm extension x 7⁰ rise x 36mm rise, 25.4 handlebar clamp, 28.6 steerer
  • Saddle Retrospec Urban2
  • Seatpost Aluminum Alloy Seat Post 25.4 x 300mm with Micro Adjust head
  • Seatpost Clamp Aluminum alloy CNC precision 28.6mm
  • Pedals Low-Profile Platform, Reinforced Nylon resin, 9/16"
How to measure my inseam for a bike

Your inseam can help you find the perfect sized bike (measuring it properly is similar to pant inseams but measured a little differently). Here's how they work:

  1. Stand upright with your feet 6-8" apart.
  2. Using a tape measure or tailor tape, measure from the bottom of your foot to the top of the inside of your leg.
  3. Compare your inseam measurement to the standover height of the bike. You should have about an inch of space between your body and the top tube.
SizeHeight RangeStandover Height
43CM - XS 5’5” - 5’7” 29.5"
49CM - S 5’8” - 5’10” 31"
53CM - M 5’11” - 6’0" 32.25"
57CM - L 6’1” - 6’2” 33.375"
61CM - XL 6’3” - 6’5" 35"
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Assembly & Owner's Manual
Rated 4.8 out of 5 stars
Based on 145 reviews
Total 5 star reviews: 121 Total 4 star reviews: 18 Total 3 star reviews: 6 Total 2 star reviews: 0 Total 1 star reviews: 0
145 reviews
  • Kristian G.
    Flag of United States
    Verified Buyer
    Rated 5 out of 5 stars
    Excellent bike I love it

    I really loved it! Very smooth riding and fast!

  • Kristian
    Verified Buyer
    Rated 5 out of 5 stars
    5 Stars

    This bike is awesome, I can ride it very smooth

  • kland
    Flag of United States
    Verified Buyer
    Rated 5 out of 5 stars
    great bike

    got the bike on 12/6/23 put 100 miles [fixie side] on it as of 1/7/24, 61cm, very stiff, stable at 30+mph down hills, a high bottom bracket, so kicks through high speed turns very well, did some short uphill sprints, very very stiff, a quiet comfortable bike. My deal of the century so far!!! :)

  • Randall
    Verified Buyer
    Rated 5 out of 5 stars
    5 Stars

    Freaking love this bike!

  • Dan L.
    Flag of United States
    Verified Buyer
    Rated 5 out of 5 stars
    Great bike, excellent service at

    Great bike, excellent service at a very good price!

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