I have a pair of Rotor Cranks for MTBs for sale. Thought I'd post here before trying eBay.

RSX4 Ti splined spindle & pivots (80g lighter than steel)

Integrated bottom bracket

24/33/46 chainrings

175 long cranks

Retail: $963.00

Asking $500.00 shipped Priority mail. Have it for the weekend's ride.