Grimeca caliper

trident sam

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I'm fitting a Grimeca caliper to a Triumph twin, does the ball bearing go in the bleed nipple port ? Does the feed port have one or not.
thanks
 
does the ball bearing go in the bleed nipple port ?

Yes, as the ball is pressed against the seating by the blunt-ended Grimeca bleed nipple so the ball seals the port, unlike other types where the tapered bleed nipple closes off the seating.

Grimeca caliper


Does the feed port have one or not.

No (see above).
 
Yes, as the ball is pressed against the seating by the blunt-ended Grimeca bleed nipple so the ball seals the port, unlike other types where the tapered bleed nipple closes off the seating.

Grimeca caliper




No (see above).
Never seen that set up before
Interesting
 
Nor me, but it's not a bad idea, is it?
That depends why it is done.
Is it to improve the part in some way?
Or to simplify the product to allow for cheaper / lower quality machining ops?
I suspect the latter ?
 
That depends why it is done.
Is it to improve the part in some way?
Or to simplify the product to allow for cheaper / lower quality machining ops?
I suspect the latter ?
Actually, if you think about it, it must be better than the common or garden tapered nipple when you are bleeding the brakes, as the ball should act like a non return valve, dropping back on it's seat between pumps.
 
Actually, if you think about it, it must be better than the common or garden tapered nipple when you are bleeding the brakes, as the ball should act like a non return valve, dropping back on it's seat between pumps.
That’s a bloody good point !
 
I've also found the seat doesnt get buggered up with the ball. I've had a few Lockheed's where the brake nipples have been dreadfully over tightened & left a smear or cut on the seat. I know I shouldn't buy rusty knackered second hand shite but I just cant get out of the habit! Lol
 
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