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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.

Tandem Geometry and Sizing. Too much text to fit in this box, please call for assistance.

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

Difference between 700c and 26". Please call or email for sizing help.
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