Sisäkumi 28" RFR Trekking 28/32-622/630 AV 40 mm

It's a standard 28" and 27" tube with auto 40mm length valve. STANDARD - doesn't mean ordinary: quality rubber compound combined with even wall thickness makes RFR tubes reliable and durable. RFR 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: auto (Schrader / AV) Valve length: 40 mmMATERIAL: rubberWEIGHT: 202 g