13 and a half company
13 1/2 KOC t-shirt
13 1/2 KOC t-shirt
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‘Keep On Choppin’ a tribute to the chopper lifestyle! This 100% cotton single jersey ringer t-shirts offer a regular fit for ultimate comfort and a classic look. Designed with bold graphics; they bring vintage vibes with a modern edge. Whether you go for the clean black-and-white style or the striking yellow-and-black combo; this t-shirt is perfect for those who live to ride.
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.