Evolve – Flat Bars – Fixed-Gear (Fixie) Road Bike


For years, the fixie & single-speed bike market was dominated by heavy, unreliable, all-flash bikes which lowered standards & proved sluggish & difficult to ride. The RapidCycle Evolve surpasses expectations of fixed-gear road bike performance, so light you can lift it with two fingers & designed with best-in-class aerodynamics & riding experience in mind. Designed in Downtown Los Angeles, available in head-turning colors, & arriving to your door with a lifetime warranty, the Evolve is equipped to grab attention, blaze down city streets & provide unlimited fun.

  • Industry-Leading Lifetime Warranty on Frame & Fork
  • Extremely light-weight– Easily liftable with two fingers
  • Aircraft-Grade 7005 Alloy Frame & Fork– Rust-Resistant, Stable, & Agile
  • Flat Bars– Comfortable, upright riding position & provides larger field of vision
  • Adjustable Seat- Adjust seat height for your most comfortable riding position
  • Flip-Flop hub– Easily switch between single-speed & fixed-gear riding (The default setting is single-speed)
  • Aerodynamic Geometry
  • Hydroformed & Double-Butted Frame– Ensures maximum strength, responsiveness, & reliability


Clear selection

Pay securely using your credit card. Your credit card will be charged immediately—on your credit card statement you will see the charge from Atlantic Bikers LLC & your order will be shipped within 24 hours after you submit your order. Online purchases submitted on Saturday or Sunday will begin processing on Monday.

Frame 7005 Aluminum Alloy (Hydroform/Double Butted)
Fork 7005 Aluminum Alloy (Hydroform)
Headset RapidCycle 1 1/8″ Alloy
Handlebars RapidCycle Alloy Flatbar 480mm
Stem RapidCycle 28.6/90mm, 10 degree
Seatpost RapidCycle 30.4mm/300mm
Saddle RapidCycle Saddle
Crankset Prowheel PRO-846P: 1/2″ x 1/8″, 46T, 170mm
Bottom Bracket 68 x 103mm sealed cartridge
Chain KMC Z410: 1/2″ x 1/8″ x 96L
Pedals RapidCycle Pedals
Brake Lever Power Brake Lever: MBL-308PA
Brake Caliper Power Brake Caliper: CBR-3100
Wheels RapidCycle 700x40mm Race Wheelset
Front Hub Alloy Sealed Cartridge Bearings 100mm
Rear Hub Alloy Sealed Cartridge Bearings 120mm 17T/18T
Tires CST 700x23mm
Tubes CST 700x23mm



  • DURABLE AND HIGH STRENGTH FIXIE BIKE -Get the most out of your fixie road bike and use it for years to come. The hydroformed and double-butted frame is specially designed for high strength and durability. Also available in two sizes, either a 48 cm or a 53 cm frame, it is suitable for both men and women.
  • COMFORTABLE AND ADJUSTABLE -Designed with a flat bar, this fixed-gear bicycle provides ultimate comfort for the cyclist. Suitable for upright riding position, it makes the cyclist more visible, especially when used on roads. Also, the seat height of this fixed gear road bike is adjustable.
  • LIGHTWEIGHT AND AERODYNAMIC -Crafted out of aircraft-grade aluminum frame, this single-speed bike is so lightweight that you can lift it with just two fingers. Combined with the aerodynamic design, this road lightweight bike is optimized for speed, designed for easier handling and meant for quick steering.
  • SWITCH BETWEEN FIXED-GEAR AND SINGLE-SPEED -Be able to switch easily between using fixed-gear or single-speed riding through the flip-flop hub found on this single speed bike. This allows you to choose between being able to coast or have more control over your flat bar bike.
  • SELECT FROM A VARIETY OF HEAD-TURNING COLORS -Aside from performance and comfort, these fixed gear bikes are also eye candy. Choose from a variety of colors! These single speed bicycles are also proudly 100% designed in the USA and they come with a lifetime warranty for the frame and fork.
Model Number UPC Color Size
A148BK 640864997841 Black 48cm
A148GK 640864997858 Green 48cm
A148OR 640864997865 Orange 48cm
A148PR 640864997872 Red 48cm
A148RD 640864997889 Purple 48cm
A153BK 640864997896 Black 53cm
A153GK 640864997902 Green 48cm
A153OR 640864997919 Orange 53cm
A153PR 640864997926 Red 53cm
A153RD 640864997933 Purple 53cm