Sisekumm 28" ACID Trekking DV 40 mm 28/38-622/630

It's a standard 28" and 27" tube with Dunlop 40mm length valve. STANDARD - doesn't mean ordinary: quality rubber compound combined with even wall thickness makes ACID tubes reliable and durable. ACID tubes were tested in laboratory!For narrow 28" and 27" trekking and city tiresFor tire width (ETRTO size in mm): from 28-622 to 32-622 and from 28-630 to 32-630Valve type: Dunlop (DV)Valve length: 40 mmMATERIAL: rubberWEIGHT: 202 g