Why do stock axle adjusters often need to be replaced?

Over time, the original adjusters on many bikes, especially vintage ones, can seize due to rust and corrosion. The threads can get damaged, making it impossible to properly align the rear wheel or tension the chain.

Are there stronger axle adjusters for performance Harleys?

Yes. For high-horsepower builds or bikes converted to chain drive like FXRs and Sportsters, CNC-machined adjuster blocks are significantly stronger than the weaker stock versions and are designed to handle the increased load.

What axle adjuster is best for a custom chopper frame?

For most custom and chopper applications using a ¾” axle, our universal rear axle adjusters are a perfect fit. They are based on classic Harley-Davidson designs, offering a clean, vintage look that is strong and reliable.

Motorcycle Axle Adjusters

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Lowbrow Customs Rear Chain Adjuster for 3/4 inch Axle - Universal Motorcycle or Custom Hardtail Use
16 reviews $34.93

Gigacycle Garage Chain Adjuster Blocks 1986-2003 Harley-Davidson Sportster
$157.14

PanheadEric Precision Stainless Steel Rear Chain Adjuster Screws 1936-1972 Harley-Davidson Knucklehead/Panhead/Shovelhead
$40.00

Colony #7704-2 Rear Chain Adjusters - 1936-1972 Harley-Davidson Knucklehead/Panhead/Shovelhead - Chrome Plated
11 reviews $18.16

Colony #9629-2 Rear Chain Adjusters - 1936-1972 Harley-Davidsons Knucklehead/Panhead/Shovelhead - Parkerized
4 reviews $15.29

Colony #8014-2 Rear Chain Adjuster Screws - 1936-1972 Harley-Davidson Knucklehead/Panhead/Shovelhead - CAD Plated
2 reviews $15.29

Colony #2748-8 Rear Axle Adjusters Swingarm End Cover Kit 1997-2004 Harley-Davidson Sportster - Zinc Plated
5 reviews $35.20

Colony #7703-2 Rear Chain Adjuster - 1952-1978 Harley-Davidson Sportster - Chrome Plated
3 reviews $24.98

Colony #3617-2 Rear Axle Adjuster Screw 2000-2007 Harley-Davidson Softail - Zinc Plated
$11.00

Colony #8100-8 Chain Adjuster & Swingarm End Cover Kit 1973-1984 Harley-Davidson FX/FL 1979-1992 XL 1981-1987 FXR - Chrome Plated
3 reviews $41.29

Colony #8934-2 Rear Axle Adjuster Screws 1986-1992 Harley-Davidson FXST - Chrome Plated
1 review $18.16

Colony #2519-2 Front Axle Smooth Covers 1991-2003 Harley-Davidson Dyna 1988-2007 Sportster - Chrome Plated
1 review $27.50

Colony #9020-2 Rear Chain Adjuster - 1952-1978 Harley-Davidson Sportster - CAD Plated
4 reviews $23.54

Colony #9506-4 Rear Chain Adjusters - 1932-1973 Harley-Davidson Servi-car - Parkerized
$21.90

Colony #2000-6 Swing Arm End Plates/Wheel Adjuster 1991-2005 Harley-Davidson Dyna Glide - Chrome Plated
1 review $21.73

Colony #2069-5 Rear Axle Adjuster Kit 1930-1936 Harley-Davidson 74/80 Twins - CAD Plated
4 reviews $20.99

Colony #2023-2 Rear Axle Adjusting Screw 2000-2007 Harley-Davidson Softail - Chrome Plated
6 reviews $18.16

Colony #7814-2 Rear Chain Adjusters - 1930-1952 Harley-Davidson Flathead 45's - Chrome Plated
1 review $15.94

Colony #3596-2 Swing Arm End Plates 1991-2005 Harley-Davidson Dyna - Zinc Plated
$9.68

Colony #8479-2 Rear Chain Adjusters - 1930-1952 Harley-Davidson Flathead 45's - CAD Plated
$14.34

Gigacycle Garage Chain/Belt Adjuster Blocks Harley-Davidson FXR
1 review $157.14

Colony #2747-8 Rear Axle Adjusters Swingarm End Cover Kit 1997-2001 Harley-Davidson FLT - Zinc Plated
3 reviews $35.20

Colony #2407-8 Chain Adjuster Swingarm End Cover Kit 1985-1996 Harley-Davidson FLT - Chrome Plated
$41.29

Colony #2517-2 Rear Axle Adjusting Screw 2008-Up Harley-Davidson Softail - Chrome Plated
1 review $15.52

Colony #9515-2 Rear Axle Adjusting Screw 1993-1999 Harley-Davidson FXST OEM #47579-93 - Chrome Plated
1 review $18.16

Colony #9501-4 Rear Chain Adjusters - 1932-1973 Harley-Davidson Servi-car - CAD Plated
$21.90

Colony #9500-4 Rear Chain Adjusters - 1932-1973 Harley-Davidson Servi-car - Chrome Plated
$23.54

Colony #9628-2 Rear Chain Adjusters - 1930-1952 Harley-Davidson Flathead 45's - Parkerized
$14.34

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