The Shimano Ultegra 6700 cassettes feature a large selection of gears to optimize your everyday performance. The weight has dropped slightly by further drilling the rear cogs. In addition the individual teeth have been machined down to near perfection to improve shifting under load.
Alloy sprocket carrier
Compatible with Shimano and SRAM 10-speed components
Better shifting performance thanks to more robust shifting tolerance
Updated gear sprocket design
Number of Sprockets
2 year manufacturer's warranty
Showing Questions 1 of 1
Q: will the 12-30 work with my Shimano 105 derailleur?
For 'cross I won't go any higher than Ultegra (most often only 105...) but the Ultegra 10s cassette in a 12-25 is perfect. Inexpensive, considering I have a number of sets of wheels, and fairly durable.