Mantra Fixie $349

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Retrospec Bicycles brings you the new and upgraded fixed-gear model in the form of the Mantra. Welcome with open arms the days of silky smooth rides and extended durability on all the parts of your bicycle. This fixie is the solution for all of your daily city commuting and leisure cycling needs.

Among the upgrades on this hand-built, tig-welded, hard-grinding fixie are weatherproof sealed bearing hubs, a prerequisite for city riding. These keep out dirt and moisture, which means less maintenance over the lifetime of your bike. The high tensile strength steel frame and fork have bar spin clearance, horizontal drop outs, and no toe overlap. All of the components that comprise this fixed-gear bicycle, from our Kenda Kwest commuter tires to our double-wall super deep-V Star rims to our KMC Chains, have been handpicked by the brains at Retrospec to give you the ultimate biking experience. Removable fixed-gear freestyle Velcro straps, an integrated seat post, a free headlight, as well as a set of necessary bike tools are included with the purchase of you bicycle.

But obviously we didn’t stop there. Oh, no. The Mantra Fixie also comes with a flip-flop hub, so you can take back the control of your bike and your road, just as it should be. Embrace your inner urban rider and choose how you cycle. With an easy switcheroo of the back wheel, you can ride fixed-gear or single-speed with a freewheel.

Find your inner peace with Retrospec’s Mantra. Ride happy.

We strongly suggest that you take your bike to a professional bicycle mechanic to be built and/or checked out to ensure that the cog and lockring are tightened, the brakes adjusted, and the wheels trued.


  • Hand Built Tig-Welded: "UrbanComfort" Design High Tensile Strength Steel Frame and Fork with Bar spin Clearance, Horizontal Drop Outs, and No Toe Overlap
  • Brakes: Alloy Front Promax Radius Lever Brakes
  • Tires: Kenda CommuterTires 700x23
  • Fork: Tig Welded 1 1/8" Threadless
  • Handlebar: Lightweight Alloy Riser Bar 520mm, 25.4
  • Stem: Alloy Promax
  • Crank: Alloy Forged 3-piece 165mm arms, 46T
  • Bottom Bracket: Sealed Cartridge Bearing NECO
  • Pedals: BMX Style Platform Pedal with BMX Straps
  • Rims: Alloy Double Wall 32 hole with black stainless steel spoke
  • Hub Rear: Retrospec Sealed Cartridge Bearing Flip-Flop Hub with 16T Fixed-Gear and Freewheel
  • Hub Front: Retrospec Sealed Cartridge Bearing
  • Seat Post Clamp: Alloy Integrated
  • Seatpost: Alloy 25.4
  • Grips: Kraton Rubber
  • Headlight: Front Silicon light with flashing ability

Recommended Weight Limit: 250 LBS

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Size XS (43cm) S (49cm) M (53cm) L (57cm) XL (60cm)
Seat Tube Length 430mm 490mm 530mm 570mm 600mm
Effective Top Tube Length 529 529 529 534 534
Bottom Bracket shell 1.37x24TPIx68  1.37x24TPIx68  1.37x24TPIx68 1.37x24TPIx68 1.37x24TPIx68
Seat Post Diameter 25.4mm 25.4mm 25.4mm 25.4mm 25.4mm
Head Tube Diameter 34mm 34mm 34mm 34mm 34mm
Seat Tube Angle 71° 71° 71° 71° 71°
Handle Bar Width 570mm 570mm 570mm 570mm 570mm
Front Drop Outs 100mm 100mm 100mm 100mm 100mm
Rear Drop Outs 120mm 120mm 120mm 120mm 120mm
Recommended Height 4'9-5'2 5'2-5'6 5'6-5'9 5'9-6'0 6'0+
Standover Height 27 29 31 32 33