Joes - 27.5" Self Sealing Tubes Stock Item:JOE'S SELF SEALING TUBE SV 27.5 x 1.90 - 2.35 Slim 31mm outside diameter

Slim 31mm outside diameter

Designed specifically for 1x13 groupsets

Tiagra R4770

with retro-fit kits including readily available

longer and adjustable pins

Joes - 27.5" Self Sealing Tubes Stock Item:JOE'S SELF SEALING TUBE SV 27.5 x 1.90 - 2.35 Slim 31mm outside diameterJOES 27. 5" SELF SEALING TUBES Very high quality Mountain Bike inner tubes prefilled with Joe's Super Sealant the world's leading tire sealant, prevents flats by instantly sealing punctures in the tread area of the tire up to 3mm. 220gram inner tubes prefilled with 120 grams Joe's Super Sealant (total 340 grams for 26" tube). Tips: If you get a puncture, always SPIN the wheel to distribute the sealant. If spinning does not work, find the hole, in