This 650B city bicycle was built with Kaisei tubing and clearance for 650B x 42mm tires.  The drivetrain includes a White Industries polished silver 1x crankset paired with Dura-Ace bar end 11 speed shifter and a GRX rear derailleur and 11 x 40T cassette. A front hub generated SON / Schmidt Dynamo lighting system is wired through the tubes of the frame, custom painted Honjo Fenders and custom carrier.


  • Frame and Fork: Custom Mariposa built with Kaisei tubing
  • Paint: Polished black with red lug lining
  • Crankset: White Industries G30 1 x polished silver crankset
  • Rear Derailleur: Shimano GRX
  • Cassette: Shimano XT 11-40
  • Chain: KMC 11 speed
  • Bottom bracket: White Industries BSA
  • Shifter: Shimano Dura-Ace Bar End
  • Brake Levers: TRP RRL SR Retro Brake Lever Set Silver with black hoods
  • Brake Calipers: Paul Components touring Cantilever polished silver
  • Brake Cable hanger: Paul Components Funky Monkey
  • Headset: Chris King Gripnut
  • Stem: Cinelli 1A with Mariposa engraving
  • Handlebar: Cinelli Giro d’Italia
  • Seatpost: Nitto Dynamic
  • Saddle: Gilles Berthoud
  • Rims: Pacenti Brevet 650B
  • Front Hub: Son Deluxe Generator
  • Rear Hub: White Industries
  • Spokes: DT Swiss
  • Tires: Rene Herse Baby Shoe Pass 650B x 42mm
  • Lights: Front SON Edulux , Rear: B&M Secula Plus Fender Mount
  • Bottle Cage: Nitto R
  • Handlebar Tape: Mariposa Leather
  • Carrier: Mariposa custom rear carrier, chrome finish
  • Fenders: Honjo hammered and fluted, custom painted to match frame.
  • Silca Impero frame pump painted to match.


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