ZC0017: Titanium 1-5/8" Z Coupler (Patent No. D703,031 S), Machine/Miter/Weld Ends

Product Details

• Material: 6/4 titanium
• OD: 1-5/8"
• Overall Length: 2-9/16"
• Interface Tolerance: Piece-to-piece, nominal diameter +/- .005 when fully tightened
• Application:
  • Allows frames to be broken down into two pieces for compact transport in an airline-checkable case
    • Typical standard airline maximum size limit is 62" combined (length + width + thickness); standards may vary between airlines and should be verified prior to frame construction
    • Readily available cases measure 8.5" x 26.5" x 31" and 10" x 26" x 26".
  • Fits into 1-5/8" titanium tubing
  • The coupler is meant to be welded within the top or down tube. One end of the coupler must be machined by the builder to match the inside diameter of the tubing used; a .001" to .002" press fit is ideal.  The other end is longer and has a .050" wall intended to be mitered and welded directly to the seat tube or BB shell.
• Features:
  • Includes two interlocking pieces and a single M6 x 1 x 30 cap screw that holds them together
    • ONLY use the bolt supplied by Paragon Machine Works for assembly; it is a high strength, corrosion resistant fastener.
  • Geometry accommodates both bending and torsional loads
  • Integrates seamlessly into the frame
  • Superior rigidity
  • Uses common tools
• Screw Torque Specification:  12 to 16 Nm
• Design/Patent: Santana Cycles, Inc. No. D703,031 S; Santana reserves the exclusive use on tandems. 
• Manufacturer: Paragon Machine Works

Item sold as 3 piece assembly.