4272- Drag Bike wheel sprocket - Kosman wheel. 530 chain.
4272- Drag bike wheel known as Kosman wheel. Center hole is 2.189 inch or 55.6 mm. Bolt circle is 3.00 inch or 76.2 mm and 8 bolt holes, size 0.316 inch or 8.0 mm. This is a 530 chain sprocket. Available in 30 through 56 tooth sizes. See part number 4292 for the same part in 630 chain size.
Note: Please measure your sprocket and or sprocket hub to check sizing and compare to our sprocket dimensions shown above.
- Lightening holes and finish may vary.:
- Aluminum 7075-T651.:
- Bright Silver Finish.:
- Made in USA:
- "Related Items" above are parts in optional chain sizes.:
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