CeramicSpeed Pulley Wheels Shimano 11-Speed - 12 Tooth Narrow Wide Alloy BLK Crank Intended Use-Tandem Windproof four-way stretch material

Windproof four-way stretch material

Frame Size 21 Wheel Diameter 20 Color Black clear Primary Color Black

The Surly TPU or Thermoplastic Urethane tube is a tough airtight material lighter than traditional butyl innertubes

An urban favorite that's also getting lots of use by gravel riders

The Swix JD Warm Mitt combines both style and warmth with the signature Jessie Diggins JD graphics and PrimaLoft insulation

CeramicSpeed Pulley Wheels Shimano 11-Speed - 12 Tooth Narrow Wide Alloy BLK Crank Intended Use-Tandem Windproof four-way stretch materialCeramicSpeed pulley wheels reduce friction last 3 5 time longer than stock high end pulleys and are designed to work with less drag. Premium Grade 3 Silicon Nitride Ceramic balls Hand built in Denmark Drivetrain Speeds 11 Fits Brand Shimano