-7% Schwalbe Doc Blue Puncture Protection Liquid 500ml €25.99 €27.99 Schwalbe Doc Blue Puncture Protection Liquid 500ml Think of Schwalbe's Doc Blue Tubeless Sealant as a liquid patch: it gets to work quickly and reliably, sealing puncture holes in tubeless, tubed, and tubular setups. For tyres up to 56mm (width), one... Add to Cart