Cygolite Expilion 850 USB Light with Helmet Mount $86.37. Add to Cart SKU: B00LXTOPNU Category: Accessories Compare Tweet Description Related Products Sale! Misfit Shine Activity Monitor $69.99–$99.99 $44.99–$69.99. Select options Sale! SKS X-Tra-Dry Rear Fender $15.99–$24.00 $15.99–$17.16. Select options Gear Aid ReviveX Wash-In Waterproofing $12.70. Add to cart BV Bicycle 5-LED Headlight and Taillight $8.98. Add to cart