I have a Trek 520 (2010 model) with the stock Avid Single Digit 5 Linear pull brakes/pads and I'd like to upgrade the brake pads to Kool Stop with Dual Rubber Compound (both red & black rubber in the same pad).
Can anyone point me to the correct part number? I always have difficulty figuring out Kool Stop's system.
Additionally, is there a better product you'd recommend I look into? This will be for fully loaded long distance road touring.
Thanks a bunch!

Kool Stop ... They don't sell direct .. maybe you want the SKU for the wholesaler that ships to your LBS, so as to get the part you want?

how about this one ..

It sounds like you're looking for the "Mountain Pads". The part number in dual compound is KS-MTCDL. The shape of the curve is not ideal for 622mm ("700c") rims; I asked them about that and they said they're sized for 559mm ("26 inch) rims, and they don't offer any other shape profiles in that particular model line. They offer most models in dual compound, and I imagine any threaded post model will work for you.

Kool Stop ... They don't sell direct .. maybe you want the SKU for the wholesaler that ships to your LBS, so as to get the part you want?

Eagle claw model has been fine, for decades I use the plain post style..

Thanks for the input.

What about these? Would they fit my tire wheel size and brake style?
(They also have the slight benefit of replaceable pad inserts).

Kool Stop Bicycle V-Type Holder with Brake Pads (Dual Compound)
Part # KS-VBHDL
https://www.amazon.com/gp/product/B001T35RSC/ref=ox_sc_act_title_1?smid=A2CK5NG72UVSTT&psc=1

https://www.koolstop.com/english/v_typeholder.html

Unfortunately Kool Stop doesn't include much by way of specifications on their website ... and no info on what rim size they are designed to mate with.

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fietsbob,
I don't have the SKU because I haven't identified which part is compatible for my bike/brakes. FYI, your link took me to Kool Stop's homepage but not a specific item. Their website isn't set up for someone like me who doesn't already know beforehand exactly what part they need ... hence my post.

They work fine with your brakes and rim size.

I used their cross pads , shorter, like a road bike, Being used on my Folding Bike.. small wheels ..

Kool Stop