Calfee Tandem Off-Road Frame Geometry XC Front Suspension Captain Stoker Sizes Size Top Tube Seat Angle Stand- over Ht. Front Center Head Tube Length Size Stand- over Ht. Seat Angle Boom Tube Small/Small 45 58.4 73.5 78.1 66.8 12 40 69.7 73.5 72.5 Medium/Small 48 60.5 73.5 80.5 68.5 12 40 71.2 73.5 72.5 Large/Small 51 63.5 73 84.2 70.6 15 40 72.7 73.5 72.1 Large/Medium 51 63.5 73 84.2 70.6 15 43 74.2 73.5 72.1 XLarge/Medium 54 66 73 87.5 72.6 18 43 75.7 73.5 72.1 All frames have 33cm (13") bottom bracket ht, 43cm (17" chainstays) Wheel/tire size of this chart: 27.5(650B) wheel size with 2.25" (57mm) tire. Is this a Complete Bike or Frameset only Complete BikeFrameset Captain Height (measured in inches) Weight(in lbs) Max Standover (measured in inches) Stoker Height (measured in inches) Weight Max Standover (measured in inches) Off-Road Tandem Frame Model Tetra Frame Size (captain/stoker) small/smallmedium/smalllarge/smalllarge/mediumXL/mediumcustom Fork Choice 120mm Travel Couplers none1 Set2 Sets Shifting cableShimano Di2Rohloff Head Tube 44mm Shell Head tube extension (zero mean none) Captain Bottom Bracket Eccentric(english thread) Stoker Bottom Bracket English threadEccentric w/english thread Wheel Size 27.529 inch Custom(for hardtail only) Tire Clearance For Hardtail 2.4Custom Rear Wheel Spacing 148mm Thru Axle Rear Brake Routing Full Length Disc Brake Routing Only Internal Disc Brake Housing Routing (not available with couplers) $350 yesno Extra Bottle Mount- Under Stoker TT yesno Extra Stiffness Included Rear Rack Eyelet (Hardtail Option Only) $50 yesno Rear Fender Mount(Hardtail Option Only) $50 yesno Contact Information Please indicate your contact preference shop/dealercustomer Customer Information Customer name (required) Customer Address (required) Customer City (required) Customer State (required) Customer Zip Code(required) Customer Phone (required) Customer Email (required) Shop Information Shop Name Shop Address Shop City Shop State Shop Zip Shop Phone Shop Email Notes *By checking the box below and clicking "send" you agree to all terms listed on this form. Craig Calfee design and manufactured his first carbon frame in 1987. What year did Craig Calfee design and manufacture his first frame?