will this break the chain where i cant use it again cuz i need to replace my derlailer

First! If you are replacing a derailleur you should replace the chain because the old chain has stretched and adjusting the new derailleur will be difficult to get the right shifting of gears. However do not push pins out and reuse or use kmc quick links

Will this work on 11 Speed Chains

8 speed and 11 speed chains mainly differ in the thickness for the link plates. 11 speed chains need more clearance and are thinner to provide that. So an 11 speed chain should break easier than an 8.

Is this product made in the U.S.A?

this bike chain tools is made in china.

Once you screw in new pin will this tool clip off new pin tip while still attached ? how

I only did one link for a test. I broke off the tip with a pliers. Far as I know the tool does not do that job.

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Oumers Universal Bike Chain Tool, Road & Mountain Bicycle Chain Breaker & Installer Kit, Chian Splitter Repair Kit

Product ID: 20135318

Details

Brand
Oumers
Load Capacity
7E+2 lbf load
Material
Metal Plastic
Strand Type
Single
UPC
840586112915

🎯Precision chain pin breaker with groove guide

🔧Universal 7-12 speed chain compatibility

🛠️Durable metal frame with rubber grip

R396

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔩 Break chains, not your flow – the ultimate bike chain tool for pros on the move!

TRUSTED BY THOUSANDS - Top-rated with 4.5 stars from over 10,000 cyclists worldwide
COMFORT MEETS CONTROL - Ergonomic rubber-coated grip for anti-slip handling on the go
EFFORTLESS CHAIN REPAIR - Unique groove design ensures precise pin removal every time
TRAIL READY PORTABILITY - Compact, lightweight design fits perfectly in any toolkit
ALL IN ONE COMPATIBILITY - Fits 7 to 12-speed chains for road and mountain bikes alike

The Oumers Universal Bike Chain Tool is a compact, durable repair kit designed for 7-12 speed bicycle chains. Featuring a metal frame with a rubber-coated grip and a precision chain pin breaker with a unique groove for easy pin removal, it’s perfect for both road and mountain bikes. Highly rated by over 10,000 users, this portable tool is a must-have for cyclists seeking reliable, on-the-go chain maintenance.

Specifications

ASIN	B0179JC31I
Best Sellers Rank	#4,316 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #5 in Bike Shop Tools
Brand Name	Oumers
Customer Reviews	4.5 4.5 out of 5 stars (10,526)
Load Capacity	7E+2 lbf (working load capacity)
Manufacturer	Oumers
Material Type	Metal, Plastic
Part Number	M3040
Strand Type	Single
UPC	840586112915 840586112045
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R396

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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