The Dr. Sludge Self Sealing Cycle Inner Tubes are designed to prevent flat tyres on 20-inch wheels with a valve size of 1.75 - 2.125.
Made from durable black rubber, these tubes feature a Schrader valve with a length of 48mm.
With a pack of three tubes included, this product is ideal for cyclists looking to upgrade their current inner tubes for added puncture resistance and peace of mind on the road.
For your peace of mind we have a No Quibble 30 Day return policy, and all our sold items are shipped Post Free.
We have now reduced our 3 tubes from £18.00 to £12.00 for a quick sale.