My MTB Frame Needs a Disc Brake Tab and a Seat Stay Bridge!

With the main tubes of the MTB frame build completed, we're moving onto all the random other stuff: disc brake tab, seat stay bridge, water bottle bosses, and cable guides (a.k.a. braze-ons). This video covers the disc brake tab and seat stay bridge.
For this bike, I'm using an ISO disc brake tab, believe it or not. In the video I explain why I chose to use the ISO standard instead of post mount or flat mount. (Partly it's just because I already have a good tool for adding ISO brake tabs; it's Anvil Bikeworks' lSO Rear Disc Brake Tab Fixture, aka “Feng Shui.")
Here's a PDF on disc brake mounting specifications for the international standard (IS): www.magura.com...
I show a bunch of the process of grinding the disc brake tab to fit up against the seat stay. First I was using a disc brake tab from Nova Cycle Supply. Then I botched that one, so I used one from Paragon Machine Works. I was using my new Metabo angle grinder, and I was really having too much fun removing the material.
Here's the Metabo angle grinder if you're interested in checking that out: www.amazon.com...
Toward the end of the video, I miter the seat stay bridge. For this, I use a DIY framebuilding tool based on a design by Sputnik Tool. I really think this setup is slick for mitering the seat stay bridge.
Here's my interview with Carl Strong (Strong Frames and Pursuit Cycles) I mentioned, from the Shutup and Build Bikes Podcast: cobraframebuil...
Here is the playlist of the whole Hardtail Mountain Bike Frame Build-I'll keep adding to it as we go: • Building a Hardtail MT...
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