Shimano 600EX (HP-6200) Black NOS Vintage 1" Threaded Headset 2.3 kg ✓ Lightweight for the era

✓ Lightweight for the era - just 198 grams

so perhaps pointing to a French or British builder

Max Sprocket Size - 26 Teeth

Mercier cycles built frames and full bikes near Lyon in France for 65 years

Shimano 600EX (HP-6200) Black NOS Vintage 1" Threaded Headset 2.3 kg ✓ Lightweight for the eraOriginal part in production from the 1970s to the 1980s New old stock! Still unused after all these years Suitable for historic cycling events such as L'Eroica Worldwide shipping Shimano 600EX headset, hailing from Japan and in production from the 1970s to the 1980s (yet still new & unused after all this time!). Made from aluminium and weighing in at 142 grams. A fine choice for keeping your vintage bike authentic, but also great for any other