Geometry and Sizing

Bilenky tandems offer user-specific design in an extremely wide range of sizes and fork lengths, affording you with virtually custom fit for a production price.


Sport Model: Medium clearances. Can be fitted with narrow fenders. Available with linear-pull/cantilever or medium reach sidepulls.

Expedition Model: Oversize fork with special crown clearance for 38C tires and fender.  Frame has longer front top tube.  For linear-pull/cantilever brakes only.

Short Reach Road/Road SL Model:  Spaced for short reach sidepulls.  Specify brake type desired


We offer eleven stock sizes of tandem. Any model can be built with 26" wheels – email for details and cost.

Custom sizing

Our Signature tandems are available in any size, in sport, expedition, and short reach geometries. Custom sizes will accommodate any conceivable captain/stoker combination as well as, of course, riders of similar heights.

Common specs