Originally Posted by CooperMan
Originally Posted by RichardV6
Can anyone explain the advantage of single piston brake calipers when used on the front of a vehicle? The assymetric operation requiring provision and maintenance of a floating caliper body would surely offset any manufacturing savings.

I can see the advantage of using them on the rear as it aids mechanical handbrake linkage as on our F54 Mini, but that also has them on the front so there appears to be some modern thinking I'm missing confused2

Absolutely no hydraulic advantage, (in fact negative as you have to conteract the friction of the slider & they don't retract well when corroded) the only real 'advantage' is significant reduced cost to vehicle manufacturer, I'm sorry but they look very underspec for a 200hp + car. Even the basic later trads got the Caparo 4 pot calipers

Thanks Jon entirely my thinking. The assymetric operation is always going to mean one pad contacts the disc before the other and the slightest friction and spring action in the floating linkage will reflect on some degree of uneven pad wear. Even my hybrid push bike has twin pot hydraulic calipers front and rear though.

For a moment I considered single pot calipers benefitted ABS but as that appears to work by electronically modulating brake pressure I cannot see the connection. Unless of course the ABS module used on CX is matched only to these single pot calipers [Linked Image]

Maybe production costs are that much lower with only one body casting, no cross fluid feeds, either internal or external, and only one bleed nipple to worry about. At least our Mini has dust covers over the sliding pins though. Lack of these if that's the case on latest CX models seems a further negative long term.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone