Zona 650B Gravel Tube Set
Zona 650B Gravel Tube Set
Zona 650B Gravel Tube Set

Zona 650B Gravel Tube Set

ZONA-650-Grvl-Kit-1

Regular price $161.55
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Choose Head Tube
Choose Top Tube
Choose Seat Tube
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Zona Gravel Tube Set for 650B (27.5") wheel size.

This set has a 12° chain stay bend to accommodate wider 650B (27.5") tires.

Please select your preferred head tube, top tube and seat tube options.

This kit specifies a bulge butted seat tube for lug less construction.

  • Head Tube - 36OD x 1.0mm wall x 200mm, CYRK18200 or 46OD x 1.0mm wall x 240mm, CYRG18240 or 36/46OD x 1.0mm wall x 245mm, CYRG18245001 
  • Top Tube - 31.7OD x 560mm, ZONL11560 or 31.7OD x 600mm, ZONL11600
  • Down Tube - 35OD x 670mm, ZONL12670001
  • Seat Tube - 28.6/29.8OD x 550mm bulge butted, ZON113550 or 28.6/29.8OD x 640mm bulge butted, ZON113640
  • Chain Stays - 24OD x 425mm 27.5MTN S bend, ZON114OV425133
  • Seat Stays - 16OD x 560mm 27.5MTN S bend, ZON615560133
  • Family: Zona

About Zona

All-Purpose Hi-Resistance tubes family
  • Triple / Double butted 25CroMo4 alloy seamless tube set
  • Moderate weight and high strength
  • Multiple possible shapes, triangle & stays
  • Increased wall-thicknesses and butted lengths in strategic tube areas
  • Perfect solution for off road and training purpose
  • Great to mix with lighter Columbus sets for an improved resistance
  • Good resistance to heating during welding process
  • Great reliability and fatigue life
  • Made in Italy