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Shimano GRX400 MTB Brake Bleed Block Piston Spacer

Print Profile(1)

All
H2C
H2D Pro
A1 mini
H2D
P1S
X1
A1
P1P
P2S
X2D
X1E
X1 Carbon
H2S
A2L

0.2mm layer, 4 walls, 20% infill
0.2mm layer, 4 walls, 20% infill
Designer
45 min
1 plate
5.0(1)

Open in Bambu Studio
Boost
8
18
1
0
13
13
Released 

Description

Make your bicycle brake maintenance easier with this custom-designed brake bleed block (piston spacer). Specifically tailored for Shimano GRX400 calipers, but also compatible with a wide range of standard Shimano MTB brake systems.

This essential tool keeps your brake pistons securely locked in place during the bleeding process, preventing them from over-extending and ensuring a perfect, firm brake feel every time. The design includes a top hole for the retaining pin to keep the block safely secured in the caliper while you work.

 

Recommended Print Settings:

  • Material: PETG is highly recommended! It offers excellent durability, flexibility, and much better chemical resistance to brake fluids (mineral oil) compared to standard PLA.
  • Layer height: 0.20mm works perfectly.

Keep your brakes sharp and happy printing!

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License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.