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A range of three all-new premium quality Aluminum light COLUMBUS Seat Clampsto perfectly match and complete the Columbus External Butted seat tubeswith non-standard outer-diameters.
Product Code: ZSC300 / Ø30mmto be used with Columbus 29,4 and 29,8mm External Butted seat tubes
Product Code: ZSC325 / Ø32,5mmto be used with Columbus 32,5 and 32,9mm External Butted seat tubes
Product Code: ZSC340 / Ø34mmto be used with Columbus 33,5mm External Butted seat tubes