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Fanttik Innovation Direct via Amazon [amazon.com] has Fanttik X10 Ace 120PSI Mini Electric Bike Pump w/ Auto Stop on sale for $43.99 – $4.40 off when you apply promo code LFZGHKV4 at checkout = $39.59. Shipping is free.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.