![Stronglight 107 chainring 45 teeth BCD 144](https://boutique.vintage-bike-shop.com/24985-large_default/stronglight-107-chainring-45-teeth-bcd-144-.jpg)
![Stronglight 107 chainring 45 teeth BCD 144](https://boutique.vintage-bike-shop.com/24985-large_default/stronglight-107-chainring-45-teeth-bcd-144-.jpg)
The chainring is an essential part of the bicycle. It is intended to be placed on the crankset. It must be chosen with great care. On the bike, there can be 1 or 2 or 3 chainrings. The chainring is a sprocket on which the chain links of the bicycle are placed. The diameter of the chainring attachments is an essential piece of information to know if a chainring is compatible with its crankset. This measurement is called BCD (Bolt Circle Diameter). The chainrings for vintage bikes are made of steel or aluminum.
Stronglight 107 45 t inner chainring
model: 107
year : 1980circa
position : small ring
for : 6/7 speeds
material : aluminium
colour : aluminium
number of teeth: 45 teeth
BCD: 144 mm
number of mountings: 5
mounting centre distance: 84.6 mm
weight: 82 g
origin : France
condition : new item, old stock, very good condition.
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