Tuesday, October 28, 2025

’78 R100RS Brake Enchancment? | BMW MOA

In case you are evaluating the brakes on a 78RS to a brand new bike or newer RS, sure, the ATE twin caliper, single piston caliper system sucks. I’m not certain in regards to the historical past of the ATE calipers however BMW did the very best enchancment on the bikes once they removed the ATE brakes and the underneath the gasoline tank grasp cylinder.

So here’s what I’ve executed to now two bikes.
The primary was my 78RS, I swapped out the entire entrance finish, forks and calipers from ATE to Brembo models.
I obtained the components low cost from a man constructing a restaurant bike and so I obtained all of the braces, fork legs, tubes and {hardware} for an inexpensive worth.

Sure, there was enchancment in braking with the change of simply the ATE system to Brembo whereas nonetheless utilizing the underneath tank grasp cylinder. So, on that bike the Grasp cylinder stayed underneath the tank. That bike obtained wrecked unhappy to say.

My present venture was a 79RT stripped of the fairing for a unadorned bike. Once more, I’ve swapped out the ATE system for the Brembo system. The inventory underneath that tank grasp cylinder continues to be in use. I’m once more proud of the outcomes.

Cmparing the braking of my 84RT with the deal with bar mounted grasp cylinder, to the underneath tank grasp cylinder with the cable does present a bit extra play within the lever earlier than issues begin engaged on the underneath tank mc.
At this level I’m not certain if I’m going to go entire hog and swap the grasp cylinder from underneath the gasoline tank on the RT to the deal with bar. I did not on the RS and was blissful. I’m carrying in new pads and if I do swap issues it is going to probably be subsequent winter’s venture as I’ve the components to take action. I need to trip a bit and see if there’s any enchancment or possibly I’ll simply stay with it.

I really like the Brembo brakes and I really feel it was value swapping solely as a result of I may do the labor myself and obtained the alternative components each instances very very low cost.
Labor and components may drive the price of doing this into the realm of simply getting a more moderen RS with the higher brakes would make extra sense.
Simply as a word I discovered this web site and these guys appear to get fairly wild

After all the 4 pot Brembo brakes are the recent ticket on the brand new bikes, too dangerous the costs are so excessive right here I would take into account doing a swap. St.

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