Add-On Bike Rack Extension for 4187 E-Bike Rack, 100 LBS Capacity for 2 Bikes, Fits 5" Fat Tire, Steel-Aluminum Build — NOT a Standalone Rack, Frame Extension Only

This extension rack adds capacity for two bikes to the 10104187 main rack, with a 100 lb weight limit for bikes only.

• The description claims the extension is not rated for e-bikes, heavy-duty bikes, motorcycles, or cargo bikes.
• The description claims the wheel cradles accommodate tires up to 3 inches wide.
• The description claims the rack is made of high-strength aluminum and steel with an anti-rust coating.
• The description claims the rack includes reinforced bolt connections and shock-absorbing threads.