Ofmega Vintage Chainring Bolts Set 146 mm measured along the outside of

measured along the outside of the leg

(Effective) Top Tube (ctc) - this is measured from the centre of the head tube to the centre of the seat tube

Headtube Internal Diameter - 30

Across Hips - 34 cm

Brake Drop - 45 mm

Ofmega Vintage Chainring Bolts Set 146 mm measured along the outside ofOriginal parts in production from the 1970s to the 1980s Suitable for historic cycling events such as L'Eroica Professionally checked & cleaned Worldwide shipping Ofmega chainring bolts, hailing from Italy and in production from the 1970s to the 1980s. Made from steel and weighing in at 24 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too. If you're taking part in L'Eroica, Anjou Velo, Velo