Freely spinning pulleys mean less wattage goes to overcoming bearing drag

including insulated footwear

High-performance fabric

How about that

All-Mountain Versatility and Stability : Mid-stiff flex for stability at high speed and maneuverability in all terrain

Women's Diamond Quilted Bomber Hoody Color:hot ember Freely spinning pulleys mean lessKeep it quilty in this everyday bomber hoody built from 100% recycled polyester taffeta that's packed with toasty 100% recycled polyester insulation. Made in a Fair Trade Certified factory. Details: Made of 100% Recycled Materials (Except Zipper and Hardware): The shell and lining fabric is made of 100% recycled polyester taffeta with a durable water repellent (DWR) finish made without perfluorinated chemicals to resist light moisture, and insulated