Castelli Men's Tutto Nano Bib Bike Knicker Size:M - The added synthetics fibers

- The added synthetics fibers (40%) into the merino (60%) topcover improve durability

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The strongest retention and longest elastic travel on the market deliver instant power transfer and precise control with superior shock absorption for reduced pre-release

Fits QR axles and solid axles up to 12mm

All complete bikes come with two tubes

Castelli Men's Tutto Nano Bib Bike Knicker Size:M - The added synthetics fibersThe Castelli Tutto Nano Bib Knicker is a do everything knicker: great in dry conditions, water repellent for light rain and wet roads, reduced seams for comfort, reflective band for visibility. And the tone on tone embossed logos give it that tech stealth look. The bibknicker that's great in every possible condition New Nano Flex 3G fabric is exceptionally warm and soft yet with even better rain protection Reduced seaming for improved comfort and fit