Pure Fix Cycles

The Cass Bike

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  • 8-speed gearing
  • Relaxed urban geometry
  • Includes rear rack and fenders

Product Details

If your style’s heavy on the stealth, the matte black Cass has you covered. Slipping through the streets on this stylish shadow will still turn heads, without screaming “look at me!”. Plus, black goes with everything - what’s not to love?


  • Internal hub for ease of use, a minimalist look, and low maintenance.
  • Shift without pedaling, ideal for cities or stop-and-go riding.
  • Easier to adjust and more reliable than a derailleur.


  • Wider range of gears for taming hilly cities or hauling heavy loads.
  • Higher top speed before "spinning out".
  • Cheaper to own, repair, and replace.

Frame Size:

  • 43cm / 26" Wheels
  • 45cm / 700c Wheels

Standover Height:

  • 43cm = 17" 
  • 45cm = 18"

Top Tube Length:

  • 43cm = 22.5"
  • 45cm = 23.5"


  • 43cm = 28lbs
  • 45cm = 32lbs

Frame and Fork:

  • Hi-Ten Steel Frame

Headset: 1" Alloy

BB Set: Sealed Cartridge 68mm/105mm


  • 43cm = 44T x 165mm Alloy
  • 45cm = 44T x 170mm Alloy


  • 1 spd: No Shifter
  • 3 spd: Shimano Nexus Twist Shifter
  • 8 spd: Shimano 8-Speed Twist Shifter

Front Hub:

  • 1 spd: 14Gx36H 3/8" x 100x140mm Aluminum
  • 3 spd: 14Gx36H 3/8" x 100x140mm Aluminum - Sealed Bearing Hub
  • 8 spd: 14Gx36H 3/8" x 100x140mm Aluminum - Sealed Bearing Hub

Rear Hub:

  • 1 spd: 14Gx36H-3/8" x 100x150mm Aluminum
  • 3 spd: Shimano Nexus Internal 3 Speed Freewheel Hub
  • 8 spd: 14Gx36H-3/8" x 100x150mm Aluminum

Freewheel: 1/2" x 1/8" 16T

Chain: KMC 1/2" x 1/8"

Spokes: 14G 16mm Brass Nipple 36 Spokes

Rim: 30mm Deep Dish Double-Walled Alloy

Tires: Kenda 700x35C

Tubes: Kenda 700x35C Schrader Valve

Brakes: Front and Rear Included - Alloy

Brake Lever: 22.2mm

Handlebar: Aluminum 25.4mm Center Clamp

Grips: Vegan Leather

Stem: Quill Stem Alloy 80mm +20 degree angle

Seat Post: Alloy 25.4mm

Saddle: Vegan Leather Saddle w/ Springs

Pedals: Wellgo 9/16"

Fenders: Painted Fenders Included

Chainguard: Painted Chainguard Included

Bell: Silver Bell Included

Decal: Water Decal

Kickstand: Included

Rear Carrier: Included

Reflectors: Front & Rear Included

Rear Derailleur:

  • 1 spd: No Derailleur
  • 3 spd: No Derailleur
  • 8 spd: Shimano 8-Speed with a 12-32 Cassette
  • Parts are subject to change.