8-Bolt Spider
I designed a spider for SRAM 8-bolt to 110 BCD that costs less than $5 to manufacture, and it can be redesigned for other BCDs in a few minutes.
ChainringGen 2.0
[Modified version](https://github.com/aadim2/chainringgen2.0) of Rich Olson's excellent ChainringGen to add support for asymmetric bolt patterns.
32" Fork Testing
I reverse engineered a commonly available 465mm axle-to-crown carbon fork to test compatibility with 32" wheels. I found that it clears a 32x2.4" tire comfortably, doubling the ERTRO standard for mountain bikes.
ISCG T47 Adapter
Most T47 frames don't come with ISCG tabs. This adapter fixes that, allowing users to mount chainguides, bashguards, and tensioners to their T47 frames.
Bolt Circle Adapter
Sometimes, your preferred chainring doesn't work with your preferred crankset. Maybe an 8-speed chainring isn't available for a 12-speed crank, or vice versa. This adapter changes one bolt circle diameter into another.
