Shimano CUES FD-U6010-L Front Derailleur - 10/11-Speed Double Top-Swing Low Clamp Mount 40/46t Max BLK/SilverShimano CUES FD U6010 L Front Derailleur 10 11 Speed Double Top Swing Low Clamp Mount 40 46t Max Black Silver. Spend more time enjoying the freedom of trekking with this Shimano CUES FD U6010 derailleurs seamless shifting and pedaling. Its versatile design is compatible with both 11 10 speed giving riders the freedom to choose the setup that matches the way they ride. Smooth operation and precise front shifting on and off the road Works with 48. 8mm