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I just found a 3D print file. Came in 3.8 and 4mm. Pad spacer even on the thick side is smaller width than the sram massage spacer. Yes clips to brake pad retaining bolt. If you want a better option to evenly push pistons back in then have a look on AliExpress etc. look up ‘piston spreader tool bicycle’ Better...
Somewhat incorrect. That plastic with different widths sets the pad spacing. It’s not for massaging the pistons. It doesn’t allow the pistons to advance as much. The piston massage block is about 4mm thick and you use without the pads in. If you google ‘sram piston massage spacer’ you’ll see what it looks like.
You should be using a ‘pad massage’ block. Smaller width than a bleed block. This will stop the pistons coming right out. It’s pretty normal for one piston to move at different rates. I’d be inclined to use the Shimano o-rings still. Just because it’s bigger doesn’t mean it’s going to achieve a better seal. I found the SRAM o-rings...

piratetrails Liked a reply to forum topic Shimano/TRP Maven - S-tier braking (Shaven/Traven)

3/2/2026 7:01pm
Welp, the Maven Bronze calipers were out of stock everywhere so I got some Silvers and tried it with the Shimano BH90 banjo bolt and it bolted up perfectly. (using XT levers) The SRAM blue banjo seals are huge and fit in the Shimano banjo fitting just fine. Comparing them to the tiny Shimano ones I'm wondering how the Shimano ones ever worked! I used SRAM mineral oil to eliminate factors that would cause issues. It's nice to know the SRAM mineral oil is higher viscosity than Shimano too. (only problem is the price, classic SRAM) Piston massage was a...
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Talking hoses and banjos. I’ve got both a Shimano hose and sram hose with me at home. Shimano BH90 hoses accept sram stealthamajig’s SRAM hoses accept Shimano barbs and olives. SRAM hose is marginally smaller diameter than Shimano. However I tested this in a lever and crushed a Shimano olive to get a good seal on the hose. With regards...