Our take on single-speed/fixed riding is your new go-to for commuting, coasting, and cruising far beyond point A to point B. With a quick flip of the back wheel, Harper turns from a single-speed cruise to a fixed-gear ride. Harper’s hand-built high-tensile strength steel diamond frame is designed for longevity. Ride comfortably with riser handlebars for improved posture. Powerful front and rear hand brakes come standard on our Harper and provide exceptionally controlled stops. Machined braking surfaces engineered onto the rims make for safer, faster, and more efficient stopping.
FLIP-FLOP HUB
Harper is your two-for-one sidekick. With a quick flip of the back wheel, Harper turns from a single-speed cruise to a fixed-gear ride. Riding fixed has its advantages (including a guaranteed workout) but it’s not necessary to ride that way if you don’t enjoy it. Switch it up again with a quick flip of the rear wheel. Fixed-gear bikes famously have fewer moving parts so you can keep moving.
COMPONENTRY
We're not interested in anything but the best. Harper sports top-of-the-line components for smooth sailing and effortless riding. VP freestyle pedals, KMC ⅛” chain, 25.4mm riser handlebars, front and rear Promax brakes, help you maintain total control of your ride. 30mm Deep V rims and thick, stable tires ensure a smooth ride, gripping to city streets regardless of conditions.
*Due to differences in screen resolutions, please note that colors may differ slightly.
Frame: Hand-built steel track frame
Geometry: Bar spin clearance & no toe overlap
Drop-Out: Horizontal drop-outs
Rims: 30mm Super Deep-V Double Wall Rims with Braking Surface
Hubs: Flip Flop Hub with Single-Speed 16T Freewheel & Fixed-Gear 16T Cog
Tires: Kenda City Tires 700x28C
Chain: KMC 1/8”
Headset: 1 1/8” Threaded
Stem: Promax Alloy 25.4mm clamp size diameter
Handlebars: 25.4mm Riser Handlebars
Grips: Kraton Rubber Track Grips
Brake: Front & Rear Promax Brakes with 22.2mm brake lever clamp diameter
Bottom Bracket: NECO 68x110 Catridge Sealed
Pedals: 9/16” Plastic Pedals
Saddle: Critical Cycles Pista Saddle
Tools: All the tools you need to build and maintain your own bicycle inclucding three metric Allen wrenches and a flat wrench.
Recommended Weight Limit: 250 LBS
A. Rider Height
B. Inseam
C. Top Tube
Measuring Inseam
Inseam is the most important metric to consider when deciding on bike size. In order to take this measurement properly, follow these guidelines:
- Stand upright with your feet 6-8" apart.
- Using a tape measure or tailor tape, measure from the bottom of your foot to the top of the inside of your leg.
- 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.
Additional Sizing Info
Size
43CM - XS
49CM - S
53CM - M
57CM - L
60CM - XL
Height Range
4'9"-5'2"
5'2"-5'6"
5'6"-5'9"
5'9"-6'
6'+
Standover Height
30.5"
31"
32.5"
34"
35"
Our take on single-speed/fixed riding is your new go-to for commuting, coasting, and cruising far beyond point A to point B. With a quick flip of the back wheel, Harper turns from a single-speed cruise to a fixed-gear ride. Harper’s hand-built high-tensile strength steel diamond frame is designed for longevity. Ride comfortably with riser handlebars for improved posture. Powerful front and rear hand brakes come standard on our Harper and provide exceptionally controlled stops. Machined braking surfaces engineered onto the rims make for safer, faster, and more efficient stopping.
FLIP-FLOP HUB
Harper is your two-for-one sidekick. With a quick flip of the back wheel, Harper turns from a single-speed cruise to a fixed-gear ride. Riding fixed has its advantages (including a guaranteed workout) but it’s not necessary to ride that way if you don’t enjoy it. Switch it up again with a quick flip of the rear wheel. Fixed-gear bikes famously have fewer moving parts so you can keep moving.
COMPONENTRY
We're not interested in anything but the best. Harper sports top-of-the-line components for smooth sailing and effortless riding. VP freestyle pedals, KMC ⅛” chain, 25.4mm riser handlebars, front and rear Promax brakes, help you maintain total control of your ride. 30mm Deep V rims and thick, stable tires ensure a smooth ride, gripping to city streets regardless of conditions.
*Due to differences in screen resolutions, please note that colors may differ slightly.
Frame: Hand-built steel track frame
Geometry: Bar spin clearance & no toe overlap
Drop-Out: Horizontal drop-outs
Rims: 30mm Super Deep-V Double Wall Rims with Braking Surface
Hubs: Flip Flop Hub with Single-Speed 16T Freewheel & Fixed-Gear 16T Cog
Tires: Kenda City Tires 700x28C
Chain: KMC 1/8”
Headset: 1 1/8” Threaded
Stem: Promax Alloy 25.4mm clamp size diameter
Handlebars: 25.4mm Riser Handlebars
Grips: Kraton Rubber Track Grips
Brake: Front & Rear Promax Brakes with 22.2mm brake lever clamp diameter
Bottom Bracket: NECO 68x110 Catridge Sealed
Pedals: 9/16” Plastic Pedals
Saddle: Critical Cycles Pista Saddle
Tools: All the tools you need to build and maintain your own bicycle inclucding three metric Allen wrenches and a flat wrench.
Recommended Weight Limit: 250 LBS
A. Rider Height
B. Inseam
C. Top Tube
Measuring Inseam
Inseam is the most important metric to consider when deciding on bike size. In order to take this measurement properly, follow these guidelines:
- Stand upright with your feet 6-8" apart.
- Using a tape measure or tailor tape, measure from the bottom of your foot to the top of the inside of your leg.
- 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.
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Customer Reviews
Customer Reviews
4.8
Based on 149 Reviews
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LC
01/29/2020
Loretta C.
United States
BEST Christmas gift
great bike, easy to assemble - son loves it. Can't go wrong with simplicity.
KC
01/21/2020
Kelsey C.
United StatesBeautiful BUT was the wrong size
I loved the bike but when I tried standing over it, I realized I bought the wrong size and had to send it back. Unfortunately they do not have an exchange policy everyone, so Mabel sure you get the correct size or you will be paying for shipping back to california. Overall I wish the size fit me because that bike was everything I could’ve asked for :( just waiting on my refund to repurchase the correct size!
AD
01/21/2020
Alexandra D.
United StatesLove it!
The bike is great and exactly what I needed and wanted! Makes getting around a city way easier! It’s light too, so makes it easier to get up and down steps with it! Would highly recommend!
JM
01/15/2020
James M.
United StatesHarper Fixed/Single Speed
Bought this strictly as a commuter bike. Was happy the assembly was very easy but not pleased that my rear tire rim was out of alignment and rubbed against the brake pad. Luckily, I’ve worked at a bike shop and know how to remedy but for someone else, it would have been a $15-20 trip to the local bike shop to correct. Satisfied with the rest of the bike & performance.
BW
12/01/2019
Brandon W.
United StatesHate this bike
The bike was too Sicily too assemble and I am sending it back.