R15, R16, R17, R18, R19, R20, R21, 15C, 16C and 17C. Northern Ireland, Republic of Ireland, Scottish Highlands, The Channel Islands, Isles of Scilly, Guernsey. Tyre1: 4.0-4.9mm. Tyre2: 3.8-4.8mm. The tyres have been pressure tested using the pressure test machine and visually inspected for holes and cuts.
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