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Amazon.com : CXWXC 16g/25g Threaded CO2 Cartridges for Bike Tires - Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes (D: 12 Pack) : Sports & Outdoors
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Fastest tyres for mountain biking: we test 2.3in, 2.6in and 2.8in tyres against the clock - BikeRadar
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