Part Number 501681 : Early Crown Wheel & Pinion 4:55:1 to fit the Standard 10 only up to Commission Number BE200
The Pinion is 1/2 inch shorter and the taper is sharper compared to the later Part Number 502018. They are not interchangeable!
Still in its original box covered in grease proof paper and sticky anti rust gunge..
Free Post in the UK
