Castelli Nano Flex 3G Knee Warmers colour-sulphur-green After a lot of testing

After a lot of testing

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Orbit technology places no additional resistance on the rear derailleur’s spring when under slow or light movement

Castelli Nano Flex 3G Knee Warmers colour-sulphur-green After a lot of testingAbout Castelli Nano Flex 3G Knee Warmers The ultimate warmer. Choose Nano Flex for warmers that are great in dry conditions but also give some extra protection and warmth in wet conditions. Castelli invented the category of water protective thermal fabrics, and Castelli's proprietary Nano Flex is often imitated but never equaled. No compromises for any conditions. Features Nano Flex: Exclusively engineered by Castelli. They take their thermal fleecy