Retrospec Harper Fixie & Single Speed Bike – Navy

5.00 out of 5

Original price was: €499.95.Current price is: €374.95.

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Retrospec Harper Single-Speed Fixed-Gear



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Safer Than Ever

Harper is equipped with front and rear Promax brakes. Stay in control of your ride, your speed, and your stopping with its precise and rapid responses.

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Optimized Riding

Kenda City tires are equipped for dependable city street riding. Measuring 700x28c, they’re more puncture resistant, and better at absorbing shock on uneven pavement and urban streets.

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Smooth Riding

Pave the way for uninterrupted riding and deliberate navigating with deep-V rims with machined braking surface, a KMC chain, and freestyle pedals.

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Comfortable Riding

Riser handlebars encourage an upright ride, taking the strain off your back and allowing you to stay on the road longer.




retrospecs harper flip flop hub



Flip flop between fixed and single speed






Harper Navy

Retrospec Harper Fixie Bike / Single Speed – Navy

Harper Oat

Retrospec Harper Fixie Bike / Single Speed – Oat

Harper Olive Drab

Retrospec Harper Fixie Bike / Single Speed – Olive Drab

Harper Slate

Retrospec Harper Fixie Bike / Single Speed – Slate

Harper Matte Black

Retrospec Harper Fixie Bike / Single Speed – Matte Black


Harper Single-Speed / Fixed-Gear Commuter Harper Coaster Single-Speed Commuter
Hand-Built Diamond Frame
Brakes Front & Rear Promax Brakes with Levers Coaster Brake (Foot Operated)
Rear Hub Flip-Flop Hub with Freewheel and Fixed Cog Freewheel
Speeds Single-Speed / Fixed-Gear Single-Speed
Deep-V Rims with Machined Braking Surface
KMC Chain
VP Freestyle Pedals
Riser Handlebars
Kenda Tires
Recommended Weight Limit 250 lbs 250 lbs




At Retrospec, our ethics are rooted in the earth. We are passionate advocates for more responsible and vigilant efforts to improve the health of our planet. Fueled by a small but mighty team of innovators, we thoughtfully design and develop superior, yet affordable products for life apart from the 9-5. But value is merely a byproduct of our integrity, not the standard by which we measure success.

Retrospec was born from a passion for cycling. Our fixed gear bicycles became a symbol for our commitment to the outdoors and pledge to affordable and green methods of transportation. Since then, we’ve created hundreds of products that help you achieve one goal: taking hold of the outdoors. We have proudly created a space where our mission can flourish, achieve, and conquer the unknown.



Retrospec Harper fixie size guide

Additional information

Bicycle Size

49CM, 53CM, 57CM, 60CM