Vintage Components - Nervar bottom brackets and bottom bracket parts
Nervar bottom brackets on this page: Nervar Star 68mm x 115mm French-threaded BB
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Nervar is one of the forgotten brands of French component manufaturing, and this is unjust. Nervar parts were well-made and used on a wide range of French and Italian bikes.
Because Nervar used standard ISO spindle taper and crank-arms puller threads, unlike many other French parts, Nervar component are easy to service.
Spindle notes:
For those buying our vintage Nervar spindles, they have ISO square spindle taper. These are compatible with Campagnolo, older Stronglight, and T.A.
If you have a JIS crankset (Ritchey, S.R. most Shimano, Specialized and Sugino) the crankarms will sit about 4.5 mm closer to the frame when using an ISO spindle than if a JIS spindle were used.
Nervar Star 68mm x 115mm French threaded (35mm x 1mm) bottom bracket. Used, $35.00
Note: There is a pit in both the spindle & the fixed cup.
Here's the bottom bracket.
The cups and bearings turned over
Here's a close-up of the spindle, showing its pit.
Here's the pit in the bearing surface of the fixed cup.
The bearing surface of the adjustable cup.