Sunday, October 29, 2017

Schwinn BMX

As told by former Schwinn employee Rich Adams:

I remember sitting in front of the gigantic CRT monitor (no flat screens back then) in 1994 with the task of designing BMX and Freestyle frames. I was given no guidelines.. no guardrails - only some geometry specs from Pippin and the goal of making a cool BMX bike. Naturally, I pulled heavily from the things we did on the Homegrowns... and some new ideas came about as well: like the extruded chainstay yoke... which at the time was pretty revolutionary. From that extruded chainstay yoke came the inspiration for the seatstay yoke - first debuted on the BMX frames, but later finding their way onto the 2000 Homegrown hardtails as the "Ram Air Seatstay".

Yamaha YDX-Moro Rear Shock Upgrade

The Yamaha YDX-Moro isn't well suited for a coil rear shock. As seen below, the leverage ratio isn't very progressive, and becomes r...