Definitely the best hardware shop in Oxford. Friendly, understanding staff offering loads of bits at reasonable prices. I wish every shop was like Smith and Low.
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Dr. Sludge inner tubes are pre-filled with the optimum dosage of puncture sealant to prevent flat tyres. The tube contains a "slime" that seals punctures up to 3mm in diameter.
Suitable for mountain bike tyres 26" x 1.50 - 2.10 with Schrader (car type) valve