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sudhanshu_sabharwal
Sudhanshu Sabharwal
November 12, 2025
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Torque forge Innovation engines

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Front Brake Master Cylinder – fitment & spongy lever after upgrade

Replacing stock master cylinder with an aftermarket unit. Lever feels a bit spongy even after a quick bleed. Looking for best-practice on piston size, banjo/crush washers, ABS compatibility, and bleed order. Front Brake Master Cylinder – fitment & spongy lever after upgrade. Replacing stock master cylinder with an aftermarket unit. Lever feels a bit spongy even after a quick bleed. Looking for best-practice on piston size, banjo/crush washers, ABS compatibility, and bleed order.

Pinned Reply By sudhanshu_sabharwal

Did you match piston size to caliper piston area? Oversize MC can feel firm but weak; undersize can feel long/spongy.

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sudhanshu_sabharwal
Sudhanshu Sabharwal
November 26, 2025

fadsfadfa

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sudhanshu_sabharwal
Sudhanshu Sabharwal
November 26, 2025

fadsfasa

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Gainsight Product manager
sudhanshu_sabharwal
Sudhanshu Sabharwal
November 28, 2025

skajbogaewf

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Gainsight Product manager
sudhanshu_sabharwal
Sudhanshu Sabharwal
November 27, 2025

bkb,b 

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Gainsight Product manager
sudhanshu_sabharwal
Sudhanshu Sabharwal
November 27, 2025

bhkbkb

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Gainsight Product manager
Inspiring
November 27, 2025

 perfect

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Inspiring
November 27, 2025

Replace any line with high loop peaks that collect air.

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Inspiring
December 2, 2025

Master cylinder push-rod free play: a hair of slack prevents port blockage.

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Inspiring
May 20, 2026

new reply

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