Bare knuckle performance
Bare Knuckle Performance, axle adjuster kit. FXD logo
Bare Knuckle Performance, axle adjuster kit. FXD logo
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With FXD logo engraved black anodized aluminum adjustment plate on the rear. - Eliminates all associated axle adjustment problems with one easy to install kit - Axle block made of polished 304 stainless steel - Unique hash mark system for easy alignment of wheel; belt / chain - 3/8-24 stainless steel stud & high quality chrome nyloc nuts and washers. OEM replacement reference 45991-92; 41113-90; 41572-92
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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.