The Bike Owner's Handbook

The Bike Owner’s Handbook

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Bicycles are relatively simple machines. They might only consist of two wheels, two pedals, gears, a seat and a set of handlebars, but when they break down mid ride you might still be left scratching your head about what went wrong. Rather than trying to deal with 3g service (or lack thereof) for Google, or the technical manuals for your bike (assuming it’s not custom), try The Bike Owner’s Handbook. The book details everything you need to know about basic repairs and maintenance (tire changes, brake and gear adjustments, proper cleaning, etc.) using simple, easy to understand drawings and black-and-white photographs. Plus, since it’s only 6.7″ x 5.2″ x 0.4″ it’s easy enough to throw in your bag and take with you on the go.

The Casper Mattress Is Engineered for Outrageous Comfort The Casper Mattress Is Engineered for Outrageous Comfort
The Casper Mattress Is Engineered for Outrageous Comfort PARTNER

When you sleep soundly, you feel like you can conquer the world. So what if you could do that every night? You can with the Casper mattress, which has been obsessively engineered for outrageous comfort. The mattress, which is the most awarded mattress of the decade, will deliver the sleep you’ve been desperately craving by combining springy, hypoallergenic latex with high-density memory foam. You can even try the Casper mattress for 100 nights and return it for a full refund if you don’t love it. Plus, Cool Material readers can save $50 on the mattress with code CM50. It’s time to get better sleep.

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