See how LTWOO R7 2x10 Speed Road Groupset R7 Shifter Lever Rear Derailleurs 11-25/28/32T flywheel X10 Chain with for tiagra 4700 R3000 combines innovation with practical design for modern users. Created with one goal: to make your tasks simpler and more productive. Join thousands of happy customers shopping at Almos.pl every day.