Calfee Tandem Full Suspension Frame Geometry 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 79.7 67.9 12 40 74.9 73.5 72.5 Medium/Small 48 60.5 73.5 82.5 69.6 12 40 76.2 73.5 72.5 Large/Small 51 63.5 73 86 71.9 15 40 76.7 73.5 72.1 Large/Medium 51 63.5 73 86.5 71.7 15 43 78.3 73.5 72.1 XLarge/Medium 54 66 73 89.2 73.3 18 43 79.6 73.5 72.1 All frames have 36.8cm (14 1/2") bottom bracket ht, 43cm (17" chainstays) Wheel/tire size of this chart: 27.5(650B) wheel size with 2.25" (57mm) tire. Captain Height (measured in inches) Weight(in lbs) Max Standover (measured in inches) Stoker Height (measured in inches) Weight Max Standover (measured in inches) Is this a Complete Bike or Frameset only Complete BikeFrameset Off-Road Tandem Suspension Type Full Suspension 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 Di2 Head Tube 44mm Shell Head tube extension (zero mean none) Captain Bottom Bracket Eccentric(English thread) Stoker Bottom Bracket English thread Wheel Size 27.5 Tire Clearance For Hardtail (Full Suspension is 2.4) 2.4 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 Stiffness Included Contact Information Please indicate your contact preference customershop/dealer 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?