Challenge Smart Sealant - 250ml and build with internal nipples

and build with internal nipples

Red and grey decal options

The SMART Sealant was designed to work with both vulcanized and handmade TLR and Tubeless tires

Specialized SCS 135x12mm axle available for bikes with the updated mech hanger

- Lightweight BITEX centre lock disc hubs

Challenge Smart Sealant - 250ml and build with internal nipplesHigh performance tubeless systems deserve high performance tubeless sealants. The SMART Sealant was designed to work with both vulcanized and handmade TLR and Tubeless tires. This non allergenic, ammonia free formula can seal up to 6mm cuts, remains liquid in the tire for up to 6 months, doesn't coagulate with Co2 use, and doesn't damage rims or tires with extended use. Installation is straightforward using the application tip and there is no need to