Shimano Dura-Ace 7900 Crankset 54-42t 175mm Search for: Advanced Search Place Ad Browse Ads Search Ads Shimano Dura-Ace 7900 Crankset 54-42t 175mm Click to enlarge image. Contact Information Contact Michael Tolhurst Phone: 0414 241 716 Visit Website Price: $ 350.00 More Information Shimano Dura-Ace 7900 10 speed crankset in excellent condition. Hard to find time trial / triathlon combination: - 54-42t chainrings - 175mm crank length This Ad has been viewed 1905 times. 2013-08-31 asieper