Surly cog, 16t 1/8", done about 100 miles. £10 Sugino Lockring, NJS so you don't have to change it if you go and race in Japan £5
@danwentskiing started
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Surly cog, 16t 1/8", done about 100 miles. £10
Sugino Lockring, NJS so you don't have to change it if you go and race in Japan £5