Greetings all. Thought I would share my recent 650b conversion:
Started with a 2004 Marin Rift Zone. Mostly stock, but with added bar ends and XT pedals.
Starting Weight: just over 29 Lbs
The Original Rear wheel: 5.2 Lbs
The new Rear: QuasiMoto's on p35 rims. Double butted spokes