Bilenky Tandem Geometries

cartoon by Roger Brucker	Tandem Geometry

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

Eleven ( 11 wow! ) stock sizes
(note - any model can be built with 26" wheels; call for details and cost)

	20x17	21x18	21.5x21	22x19	23x20	23x18	24x20.5	25x19.5	18x16	19x16	20x17
Wheel size	700c	700c	700c	700c	700c	700c	700c	700c	26"	26"	26"
Front Seat Angle	74.00	74.00	74.00	73.00	73.50	73.50	73.50	72.50	73.50	73.50	73.50
Front Top Tube Length	21.25	21.75	21.60	22.50	22.40	22.38	22.75	23.25	19.75	20.00	20.25
Front Standover Height	29.80	30.30	30.90	31.50	31.80	32.00	32.90	33.60	27.40	28.00	28.60
Rear Seat Angle	72.50	72.50	72.50	72.50	72.50	72.50	72.50	72.50	72.50	72.50	72.50
Rear Top Tube Length	27.25	27.75	27.25	27.75	27.75	27.75	28.25	28.25	26.75	26.75	26.75
Rear Standover Height	27.30	28.50	29.70	29.10	29.90	28.50	29.50	29.00	25.70	25.88	26.40
Head Angle	73.00	73.50	73.50	73.50	73.50	73.50	73.50	73.50	72.50	72.50	72.50
Fork Rake	2.38	2.25	2.25	2.25	2.25	2.25	2.25	2.25	2.00	2.00	2.00
Trail	1.64	1.65	1.65	1.65	1.65	1.65	1.65	1.65	1.80	1.80	1.80
Wheelbase	67.98	68.52	68.25	68.80	68.90	68.90	69.25	69.75	65.00	65.51	65.80