Bike Forums - View Single Post - Is there any difference between the RX100 and 105 8 speed groupsets?

11-23-20 | 11:34 AM

#5

icemilkcoffee

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Quote:

Originally Posted by BradH

The dual pivot 105 brake calipers have a ball bearing thrust bearing where the RX100 has a washer.

Great info! The brakes actually look completely identical from the outside:

But looking at the documentation, I can see that the 1055/1056 has thrust ball bearings where the RX100 has a flat washer.

Same with the hubs- they have identical looking casting.

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