The most modern high racer, the Seiran SL looks right in its proportions, and the translation into performance is real. Known as the 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.
Technical Specifications
Seat height 57 cm / 22,4 ”
Bottom bracket height ca. 80 cm / 31,5 ”
Wheelbase 125 cm / 49,2”
Seat angle adjustable 28° / 30° / 32°
Wheel size (F / R) 26” (ETRTO 559 or 571)
Average weight ca. 10,5 kg / 23,1 lbs
Lightweight version around 9 kg / 19,8 lbs
Total weight limit 105 kg / 230 lbs rider and luggage
Frame aluminium Challenge SL-tube
Rear stays aluminium Challenge SL-tube
Front fork carbon (optional aluminium U6 for diskbrake)
Bottom bracket tube aluminium (optional carbon)
Baggage capacity max 25 kg / 55 lbs
Day rack not available
Voyager rack requires special recumbent bags
Steering options open cockpit / folding tiller / underseat steering
Seat systems carbon
Rear suspension no
Front suspension no
Finish powder coating 2-layers, 4 years warranty for the first owner)
Warranty on frame 5 years on frame, for the first owner