Description
Columbus Zona External Butt Seat Tube
- O.D.1 - 28.6mm
- O.D.2 - 29.8mm
- Length - 640mm
- Butting - (L1 - 245mm) (T1 - 40mm) (LC- 220mm) (T2 - 40) (L2 - 95)
- Thickness - (R1 -1.2)(RC - .6) (R2 - .9)
The Zona family tubing is made from triple/double butted 25CroMo4 Alloy. These continue to be made in Italy.
PRICED & SOLD INDIVIDUALLY
Columbus PN# ZON113640