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NOTE:
First,remove the oil injection hole screw on the brake lever,connect the oil injection funnel,then pouring a small amount of brake oil that matches the model of the brake,and finally use the tool to reset the piston.
Hanging loop design for easy placement
Janusz Canuck
Reviewed in Canada on May 9, 2025
These are perfect for separating my mountain bike brake pistons. they seem like they'll hold up well over time and they're simply to use. These are academy l exactly what I was looking for.
Another Bored Consumer
Reviewed in Canada on May 12, 2025
While this is 3D printed, it is very well designed and works VERY well compared to the cheap plastic one piece or those metal 'spoons' that fit between the pistons. This being plastic allows some compression when the brakes are pressed without it being installed. This prevents any piston damage and/or inbalance when braking with the brakes off the bike.
JohnJMJ
Reviewed in the United States on March 4, 2025
In the box:two blue plastic piston tools, “Risk” sticker.Materials/construction:Hard plastic, similar to a lego, but stronger. Has the two loops for your fingers to use as handles or just to get grip around. There is a square notch on one and long, recessed channel on the other, so that they can be used together as a guide to keep them straight and not fall apart.Use:I tested it on a 4-piston SRAM Code caliper and it works. Just line up the notch and channel, push them together, and it pushes the pistons evenly. I hated using a screwdriver or other types of piston spreaders because they don’t apply an even force. My Codes have phenolic pistons, not aluminum, so I am even more worried about damaging them.Conclusion:They feel decently strong, durable, and will last. They seem to work better than others, spread evenly, and are relatively cheap!
SRSJLS
Reviewed in the United States on March 4, 2025
Works great, super smooth material; just what you need when it's timed to service your disc brakes. At some point, I think everyone presses a brake lever when the front wheel is out and then you need to retract the pads without damaging them. When that happens, you will be happy you have these!
Justin K.
Reviewed in the United States on April 9, 2025
Super simple but effective for stubborn pistons.
Jakobson
Reviewed in Germany on April 9, 2025
Welcher ambitionierte Radfahrer, der die Wartungsarbeiten an seinem Bike mit viel Leidenschaft selbst ausführt, kennt die Situation nicht ? Da hat man die Scheibenbremsbeläge ausgebaut und will neue einsetzen, hat aber vergessen vorher die Kolben, mit noch eingebauten alten Belägen, zurück zu drücken. Logischerweise passt sonst die Scheibe nicht mehr dazwischen. Also, alte Beläge wieder rein und mit einem Werkzeug gegen die alten Beläge drücken, oder versuchen mit einem Reifenheber die nackten Kolben zurück zu hebeln. Hat man das nicht vergessen und einem Schraubendreher gearbeitet sind die alten Beläge hinüber, obwohl man nach dem Ausbau feststellt, das noch eine gute Weile gehalten hätten. Noch schlimmer kommt es, wenn nach der Winterpause sind die Kolben fest sind mobilisiert werden müssen.Diese Probleme reduzieren sich gegen null wenn man das TerchPilet Fahrradkolbenpresswerkzeug in seinem Werkzeugkasten hat. Einfach das Werkzeug von 2 Seiten einschieben, sodass der Nocken des ersten Teils in die Nut des zweiten Teils passt und die Keile zusammenschieben. Automatisch werden die Bremskolben in ihre Ausgangsposition gebracht, ohne dass sie Schaden nehmen.Das ist besonders wichtig bei Shimano Bremszangen die mit Kunsstoffkolben ausgerüstet sind.Es funktioniert aber auch bei praktisch allen anderen Fabrikaten.In meinen Augen ist das TerchPilet Fahrradkolbenpresswerkzeug ein extrem hilfreiches und wichtiges Werkzeug das in keiner Werkzeugkiste eines Fahrrad Hobbyschraubers fehlen sollte !
Mrs K
Reviewed in the United Kingdom on April 15, 2025
Pros:- innovative design means both pistons get pushed back equally and evenly. With other piston tools you run the risk of pushing them back in wonky- due to the recessed line in one of the tools and the locator pin in the other, the tools stay perfectly aligned with one another- great price for a great tool (£5.99 at the time of review)Cons:- would have been nice if the two parts click together for storage as I'm worried I may inadvertently lose one!I hope you find this review helpful.
John
Reviewed in the United Kingdom on April 14, 2025
These work well just slide them into the calliper from each side, the slot helps guide them and as they are pressed together they press the brake pistons in, of course these will only work with either the calliper removed or the wheel because the rotor will be in the way, if your a bit of a lazy git like me and do it with everything fitted then they don't work, so don't be lazy.
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