HEB Allscape 20x4' Tubes- Heavy Duty Bike Tube for Ebike Tires - Puncture Resistant Inner Tube for 20x4

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Keep a spare on hand — this 20"x4" bike tube is built from thick, heavy-duty butyl rubber for real puncture resistance, not just a marketing claim. A sturdier upgrade over the thin stock tube most bikes ship with.Fits any fat-tire ebike running 20"x4" tubes. Available in 2-pack, 4-pack, and 8-pack — stock up and always have a spare ready.Backed by free shipping, a 1-year warranty, and lifetime customer support. Show more