Aventon Bike Water Bottle Holder | Light Weight Carbon Fiber | Compatible with Aventon Electric Bikes and Standard Cycling Water Bottle Cage | Left Hand Orientation Bike Bottle Holder is up for auction in Sports & Outdoors. The current bid is $2.50, 92% below the $29.59 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.