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 Motorcycle Bicycle Go Kart ATV Chains Replacement (Black)

Product ID: 443472013

Details

Brand
KZNANZN
Load capacity
5E+2 lbf
Material
High Carbon
Recommended uses for product
Bicycle Go ATV
Roller diameter
41 Millimeters

🔥Heat-Treated Hardened Pin

🔧Adjustable Chain Cutter Precision

⚙️High Carbon Steel Durability

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔩 Break Chains, Not Your Flow – The Ultimate Chain Detacher for Pros!

HEAT TREATED HARDENED PIN - Replaceable press pin designed for maximum wear resistance and reliability.
PRECISION ADJUSTABLE CUTTER - Easily customize chain length without extra tools, saving time and hassle.
VERSATILE CHAIN COMPATIBILITY - Fits a wide range of roller chains from #25 to #60, perfect for motorcycles, bicycles, go-karts, and ATVs.
BONUS EXTRA NEEDLE PIN INCLUDED - Comes with a free replacement pin to keep you rolling without interruptions.
UNMATCHED STRENGTH DURABILITY - Crafted from high carbon steel with compound strengthening for long-lasting performance.

This high carbon steel roller chain detacher breaker cutter is engineered for professional-grade chain maintenance. Featuring an adjustable design and heat-treated hardened pin, it supports a broad spectrum of roller chains (#25 to #60) across motorcycles, bicycles, go-karts, and ATVs. Lightweight yet robust, it includes an extra needle pin for uninterrupted use, making it the go-to tool for efficient, precise chain repairs.

Specifications

ASIN	B06XQDXW78
Best Sellers Rank	#206,751 in Automotive ( See Top 100 in Automotive ) #1 in Motorcycle Chain Breakers
Brand Name	KZNANZN
Customer Reviews	4.3 4.3 out of 5 stars (2,765)
Item Length	82 Millimeters
Item Weight	68 g
Load Capacity	5E+2 lbf
Manufacturer	KZNANZN
Material Type	High Carbon Steel
Model	43237-2
Part Number	43237-2
Recommended Uses For Product	Bicycle, Go Kart, ATV chains replacement
Roller Diameter	41 Millimeters
Strand Type	Single
UPC	714559267271
Unit Count	1 Count

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