Ships twice a month. Estimated delivery 2–4 weeks from order date. Electric skateboard belt drive pulleys for 10mm and 17mm axles, 15mm wide HTD 5M belts. Compatible with 62900-2RS (10mm ID) and 6903-2RS (17mm ID) bearings. Sold in pairs. Aero's stock pulleys are 36T Kegel. Refer to the Aero user manual for optimal setups. Aero's recommended belts for each pulley size:25T: 320mm28T: 330mm32T: 340mm36T: 350mm40T: 360mm45T: 375mm Brands using Kegel core: Orangatang, 88 Wheel Co, MADESK8, Momentum, etc. Brands using ABEC core: Cloudwheel, Momentum, ABEC 11, Evolve, etc. Note: While these ABEC pulleys are compatible with ABEC 11 and Evolve wheels, slight variations in the insert hole shapes of ABEC cores—even between batches of the same model wheels—may result in a loose fit. Use at your own risk. Caution: Smaller pulleys increase top speed. Use at your own risk. (Stormtroopers not included.)
