Surly Skullet Short Sleeve T-Shirt - Unisex Slate Blue - X-Small MFPN=IF7421-4- The Turbo Full Power system

The Turbo Full Power system senses the force you apply to the pedals and amplifies your effort up to four times for an experience that makes getting up any hill or to any destination no sweat

The 5mm thick puncture guard protects even against thumbtacks

}Shimano SLX RD-M670 Mounting Bracket Axle Unit for Normal Derailleur Hangers

Thanks to our Body Geometry methodology

Enhanced with Ratchet EXP driver technology using fewer parts while providing greater reliability and easier maintenance

Surly Skullet Short Sleeve T-Shirt - Unisex Slate Blue - X-Small MFPN=IF7421-4- The Turbo Full Power systemSurly Skullet Short Sleeve T Shirt Unisex Slate Blue X Small. Surly makes bikes. They also make T Shirts. Cotton construction short sleeves and available in a range of colors and sizes. 60 40 combed ring spun cotton polyester blend Side seams Tear away label TECH SPECS Material CottonGender Age UnisexColor Slate BlueSize X SmallSleeve Style ShortDefined Color Blue