FS: Almost Complete Rosco Platypus 60cm, Purple.

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Adrian

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Jun 9, 2026, 4:53:55 PM (7 days ago) Jun 9
to RBW Owners Bunch
Hello everyone! I have an interesting Riv for sale. 

60cm Roscoe Platypus, which is identical to the regular platypus minus the lugs. This one is TIG welded, and in the Ana Purple color way.

Frame has seen its fair share of use, some marks throughout the frame but no dents or cracks. It's had some miles put on it! Also, rack is not included. Looking to get $1800 net to me. All it's missing is cabling, front derailleur (if you want) and a chain. Maybe something else I'm forgetting. Only about 7-8 of these made in this size/color. The Rosco series are a frankenbike by RBW, cool stuff. Too much overlap with my cheviot though.


Parts list is as follows:
  • 9 speed 11-36 Shimano cassette
  • 172.5 38/24 strong light crank arms with RBW silver chainrings and chainring guard
  • RBW seat
  • Silver 2 thumb shifters
  • NITTO BoscoMoose bars
  • 700c 100/135 wheelset, no name hubs/rims. Very wide rims, similar to cliffhangers. Have seated 700x50 tires with no issue
  • Comes with 700x42 teravail tires
  • Pletscher double kickstand
  • Will come with a brand new Altus derailleur
  • Will come with older MKS sylvan pedals
  • FSA headset

Adrian

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Jun 14, 2026, 2:28:14 AM (2 days ago) Jun 14
to RBW Owners Bunch

Picked up another bike today, would love to get this outta here! If someone wants to take it for $1300 picked up locally, it’s all yours. Sans rack.

Kainalu V. -Brooklyn NY

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Jun 14, 2026, 2:29:21 PM (2 days ago) Jun 14
to RBW Owners Bunch
Forgive me if I’ve missed it, but where’s locally? 
-Kai

Adrian L

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Jun 14, 2026, 4:27:48 PM (2 days ago) Jun 14
to rbw-owne...@googlegroups.com
Sorry,

Socal. Orange county area. 

I’m willing to honor the price + shipping if you want it shipped. 

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Adrian

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11:01 AM (1 hour ago) 11:01 AM
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Someone decided to purchase all of the parts on the bike separately. Now the frameset is for sale on it's own. Just frame, fork, headset, BB and seatpost. Looking to get $850 net to me after shipping for the frameset
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