This is a BRAND NEW aluminum brake stay (rear caliper mounting plate)
This includes the aluminum caliper spacers and brake plate retainer spring snap ring.
Will fit on 35mm or 40mm carriers
69.9MM ID
This has been polished as well, not dull or rough looking like many others on the market.
This will not fit a stock Yamaha swingarm, only the round style (Honda style) aftermarket ones.