Vittoria Ultra Light Speed Inner Tubes Presta - 622/700 Valve:25/30-622 Presta RVC 80mm Wide Trail (WT) sizes are

Wide Trail (WT) sizes are optimized for 35mm inner width rims

2 pc Set - Front and Rear

4") Fork: See manufacturer

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Vittoria Ultra Light Speed Inner Tubes Presta - 622/700 Valve:25/30-622 Presta RVC 80mm Wide Trail (WT) sizes areULTRA LIGHT SPEED TPU inner tubes Compatible with disc brake wheels only Ultra fast: designed to offer the lowest rolling resistance possible Ultra light: 30 g only The fastest and lightest. Made for pure speed Ultra Light Speed inner tubes are made for pure speed. Designed to offer the lowest rolling resistance possible, Ultra Light Speed are the fastest and lightest tubes ever developed by Vittoria. They are 70% lighter and 14% faster than standard