A range of three all-new premium quality Aluminum light weight seat clamps
to perfectly match and complete the Columbus External Butted seat tubes
with non-standard outer-diameters.
Models available:
ZSC300 / Ø30mm
to be used with Columbus 29,4 and 29,8mm External Butted seat tubes
ZSC325 / Ø32.5mm
to be used with Columbus 32,5 and 32,9mm External Butted seat tubes
ZSC340 / Ø34mm
to be used with Columbus 33,5mm External Butted seat tubes