Will this chain breaker also press the chain back together?

Yes: How to replace a roller chain : 1.Find the chain on you old chain. 2.Turn the handle to bring the pin up from breakers jaws. 3.Turn the chain breaker to push the rivet out of the chain. 4.Apply pressure slowly to each rivet，Suddenly applying excessive pressure to the rivet will cause the connecting rod to bend and damage the chain.

will this work on a double roller chain?

Yes it will. I used to break down ten foot boxes of 50-2R and 60-2R chain into 16 pitch lengths and make our own coupling chains using one of these tools.

Comes with an extra niddle pin that looks like a different size. How do you swap the niddle pins out?

I am sorry. I did not change mine because I was working with a heavy Harley D chain. I saw the smaller pin and kept It but assumed it was for buck le or go fart chains. I did not follow up on how to change but must be just a simple switch. Although the directions provided are slim and none. Maybe if you wind it all the way to the top it will release the pressure o the pin and you can swirl her one out

Can I get more niddle pins? The third time I used it one broke.

It is not advisable to reuse a previously pushed out link pin to rejoin the chain. The chain will quickly come apart at that junction when riding. Auto parts store, Bicycle shops or link pins can be ordered on line.

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Detacher Breaker Cutter Fit for #25#35#41#40#50#60 415H,428H, 520,530 Roller Chain Bicycle Go Kart ATV Chains Replacement (Black)

Product ID: 42317720

Details

Brand
KZNANZN
Load Capacity
5E+2 lbf
Material
High Carbon
Recommended Uses For Product
Bicycle Go ATV
UPC
714559267271

🔥Heat Treated Hardened Pin

🔧Adjustable Chain Length Cutter

⚙️High Carbon Steel Strength

¥4345

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Break Chains, Not Your Flow — The Ultimate Chain Cutter for Pros

BONUS READY - Includes a free extra needle pin to keep you working without interruption
BUILT TO LAST - Crafted from high carbon steel with compound strengthening for ultimate durability
ERGONOMIC EFFICIENT - Compact, lightweight design that feels great in your hands for quick, fuss-free chain repairs
PRECISION CHAIN CONTROL - Easily cut and adjust chain length without extra tools
UNIVERSAL COMPATIBILITY - Fits a wide range of roller chains including #25, #35, #41, #40, #50, #60 and more

This Detacher Breaker Cutter is a high-carbon steel, heat-treated tool designed for precision cutting and adjusting of various roller chains used in bicycles, go-karts, and ATVs. Its universal fit covers multiple chain sizes, and it includes an extra needle pin for extended use. Lightweight and ergonomic, it delivers professional-grade durability and efficiency for chain maintenance on the go.

Specifications

ASIN	B06XQDXW78
Best Sellers Rank	#8,059 in Automotive ( See Top 100 in Automotive ) #313 in Hand Tools (Automotive)
Brand	KZNANZN
Brand Name	KZNANZN
Customer Reviews	4.3 out of 5 stars 2,949 Reviews
Item Weight	2.4 ounces
Load Capacity	5E+2 lbf
Manufacturer	KZNANZN
Material	High Carbon Steel
Material Type	High Carbon Steel
Model	43237-2
Number of Items	2
Number of Packs	1
Part Number	43237-2
Recommended Uses For Product	Bicycle, Go Kart, ATV chains replacement
Strand Type	Single
UPC	714559267271
Unit Count	1 Count

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¥4345

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

2 months ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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