Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Black
Harper Coaster | Matte Black
Harper Coaster | Matte Black
Harper Coaster | Matte Black
Harper Coaster | Matte Black
Harper Coaster | Matte Graphite and Orange
Harper Coaster | Matte Black

Harper Coaster Single Speed Bike

259 reviewsRegular price $219.99 Learn more
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43CM - XS

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$219.99
Retrospec
$299.99
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All the perks of a single speed bike, made simpler
  • Coaster brake for smoother stops
  • Simple and sleek
  • Easy to maintain
Specs

Easy braking

Easy riding and maintenance

Conquer city streets

Harper is designed for city riding. Grooved tires grip the pavement and dispel water. A coaster brake helps you to stop on a dime at unexpected red lights. Barspin clearance with no toe overlap allows you to make sharp turns.

Conquer city streets

Harper is designed for city riding. Grooved tires grip the pavement and dispel water. A coaster brake helps you to stop on a dime at unexpected red lights. Barspin clearance with no toe overlap allows you to make sharp turns.
  • Frame Hand-built steel track frame
  • Drop-Out Horizontal drop-outs
  • Rims 30mm Super Deep-V Double Wall Rims with Braking Surface
  • Tires Kenda 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 Rear Coaster Brake
  • Bottom Bracket NECO 68x110 Catridge Sealed
  • Pedals 9/16” Plastic Pedals
  • Saddle: Retrospec Pista Saddle
  • Recommended Weight Limit: 250 LBS
SizeHeight RangeStandover Height
43CM - XS 4'9"-5'1" 30.5"
49CM - S 5'2"-5'5" 31"
53CM - M 5'6"-5'8" 32.5"
57CM - L 5'9"-5'11" 34"
60CM - XL 6'+ 35"
What's My Size?

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.
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Customer Reviews
4.7 Based on 259 Reviews
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KB
06/01/2021
Kobe B.
United States United States
SUCH AN AMAZING BIKE!

I love this bike! I ride my harper coaster bike around my campus at Boston College, throughout Boston, and back home in Newark. It rides so smoothly and brakes efficiently. Such a great feel and would definitely recommend this bike to others. It's very light, looks amazing, and is easy to handle. This summer, I will be riding my bike every day around the park and enjoying the amazing weather.

JC
05/25/2021
Joseph C.
United States United States
Nice bike, poor wheel free-spin

I like this bike. It's light and a good size. I'm not crazy about the handlebars as they aren't super comfortable, but you can raise them and lower the seat to help. My big thing is i turned the bike over and tested the wheel spin of the back tire, and it's poor. I'm hoping it gets better as the grease heats, but I'm out of shape and the added friction in the axle doesn't help lol.

MG
05/19/2021
Molly G.
United States United States
Awesome road bike and street use

I use this as my beach bike wicked easy to ride and love the back brakes... took a bit to set up had my local bike shop get eyes on it for more security!!

Retrospec Harper Coaster Single Speed Bike ReviewRetrospec Harper Coaster Single Speed Bike Review
AS
05/19/2021
andy s.
United States United States
Solid bike!

Easy to assemble, quality product

LV
05/16/2021
Lisa V.
United States United States
Sweet Ride

So far I've only ridden it a couple times, briefly. I look forward to riding it more often!