Challenge Seiran SL

Challenge Seiran SL

The most modern high racer, the Seiran SL looks right in its proportions, and the translation into performance is real. Known as the recumbent bike that loves a good climb, rolls out the high cruising speeds, it will be the bike to keep you in the fast riding pack.

The 125 cm wheelbase with fixed seat position and adjustable boom keep handling dynamics consistent, with more sure contact with the ground than other high racer ultra lights.

Price varies with exchange rates, so please call for up to date prices. There is also a $280 charge for shipping and duties from the Netherlands.


  • Frame - Challenge SL tube
  • Seat - Carbon Velokraft
  • Steering - Above-Seat and Under-Seat steering
  • Fork - Carbon
  • Colors - standard Challenge colors
  • Wheelbase - 49.2"
  • Seat Height - 22.4"
  • Weight - 23 lbs.
  • Fit -
  • Weight Limit - 230 lbs.
  • Bottom Bracket - Avid Speed Dial SL
  • Crankset - FSA Gossamer Mega-Exo 53-39-30
  • Pedals -
  • Cassette - SRAM PG 980 11-34
  • Gear inches - 22-120"
  • F Derailler - Shimano Ultegra
  • R Derailler - Shimano XT
  • Shifters - SRAM Attack
  • Brake Levers - Avid Speed Dial SL
  • Brakes - Avid BB5 Disks
  • Wheels - 650c, Cannondale Competition hubs with Mavic CXP22
  • Tires - Schwalbe Stelvios

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Last Updated: Tuesday, 28 June 2011 13:09

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 RBR storefront

1306 S. Atherton St.
State College, PA 16801
(814) 234-4636

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Customer Quotes

" It was a pleasure meeting you and doing business with you.  I know that there will be many inquiries as I ride up and down the hills and our neighborhood and plan to send them all your way. "

Andy P, PA