Retrospec Beta Series Single Speed with Flip Flop Hub

Retrospec Beta Series Single Speed with Flip Flop Hub


(as of 02/16/2017 at 18:01 UTC)

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SKU: B00B23E5W8 Category:

Product Description

  • Classic, streamlined fixed gear bike designed for urban road warriors.
  • Flip-Flop rear wheel hub allows changing from Single-Speed to Fixed Gear
  • Built to Last High-Tensile Tig-Welded Steel Frame Hand Built
  • Front and Rear Promax Brakes
  • Double Wall Super Deep-V 43mm Wheels



The Retrospec Beta Series is the ideal commuter bike with a hand built steel frame and horizontal dropouts, double wall rims, sealed bottom bracket, and brand name components throughout. Also included is a fixed-gear/single-speed bike that mixes speed and sleekness with performance and durability. Riding fixed or single-speed means low maintenance, simple and efficient design, and allows you to connect to the road in a way that other types of bicycles cannot do. All of the bikes come with CST High Performance tires that will have you riding fast and smooth, and without having to worry about getting a flat on imperfect pavement!

Our fixies come in a variety of stunning signature color combinations, from the hot pink and electric blue Betty Davis to the black and red El Diablo made popular by celebrity soccer star and international icon David Beckham. No matter what your personality is, one of our Beta Series bicycles is sure to suit your individual style.


Retrospec Beta Series bike feature silky smooth KT hubs with flip-flop hub on the rear wheel. The hub comes with a fixed-gear cog and a freewheel, so you can ride fixed or coast. Both front and rear wheels come with 32 spokes and are built with lightweight 41 mm Super Deep-V rims.Wheels that are deep enough for optimized performance but never too heavy. Our wheels also come with a resilient nylon rim tape and CST Super-HP tubes and tires (700x23c).


Our company philosophy is simple. We value bicycle quality and are committed to provide our customers with a fixed-gear cycling device who incredible riding experience can speak for itself. Retrospec Bikes are created with the highest quality and performance standards in mind. From our urban-comfort design tig-welded steel frame to our double-wall super deep-v wheels, we build our bikes to last. Retrospec Bikes are built using brand name components like CST Tires, Radius Brakes, and KMC Chains.


Retrospec is the only bicycle company in the world that can claim bar-spin clearance, no toe-overlap, and flat top tube all in one frame. All Beta Series Retrospec bicycles have bar-spin clearance on all size frames. If you aren't tricking out on your fixie now, you probably will someday soon because the Retrospec Beta Series makes it so easy. Our frames are uniquely designed to avoid any chance of a toe overlap and all our bicycles size 49 cm and larger come with a flat top tube for a traditional track-style frame.


Retrospec uses recycled cardboard in our packaging in order to reduce our carbon footprint in production. In addition, Retrospec is actively involved in maintaining a fair and safe work environment for workers in our factories. However, our utmost goal is to offer the world a healthy and sustainable mode of transportation that doesn't require fossil fuel. Biking improves our health, reduces air pollution, fights global warming, and reclaims the streets as shared space.  That's why we are so passionate about what we do.


• Hand Built Tig-Welded "UrbanComfort" Design High Tensile Strength Steel Frame and Fork with Bar spin Clearance, Horizontal Drop Outs, and No Toe Overlap
• 43mm Double Wall Super Deep-V Alloy Rims with Alloy Hubs
• Rear Flip Flop Hub including fixed-gear and freewheel cog
• Brakes: Alloy Front and Rear Promax Radius Lever Brakes
• Tires: CST High Performance Road Tires 700x23
• Fork: Tig Welded 1 inch Threaded
• Handlebar: Lightweight Alloy Riser Bar 520mm, 22.2
• Stem: Alloy Promax
• Crank: Steel 3-piece 165mm 48 tooth, Alloy chain ring
• Bottom Bracket: Sealed Bearing NECO
• Pedals: Well-Go Alloy cage with toe clips
• Rims: Alloy Double Wall 32 hole with black stainless steel spoke
• Hub Rear: Quando alloy 16-tooth freewheel and fix gear
• Hub Front: Quano alloy
• Seat Collar: Alloy
• Seatpost: Steel 25.4
• Grips: Kraton Rubber
• Weight: 24 lbs




Frame Size

Suggested Height

Standover Height (in.)



< 4'9






















Please note this size chart is suggested, and will not be 100% accurate for each individual. Sizes may vary depending on individual inseam length.


Retrospec is a bicycle and component design, manufacture, and distribution company in downtown Los Angeles conceived by and for people who live to ride. Our company philosophy is simple; We value quality and are committed to provide our customers with a high quality but affordable fixed-gear bicycle whose incredible riding experience speaks for itself.


  • "Urban Comfort" steel frame with barspin clearance
  • 43mm Super deep-v wheels w/ CST "High Performance" tires - 700C
  • "Radius" Front and Rear Brakes, Retrospec Kraton Rubber soft grips
  • Flip Flop Hub with freewheel and fixed gear cog included so you can ride fixed or free
  • The installation procedure is available in, which forwards to a YouTube video

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