Shimano ultegra 6700 10 speed groupset builderthe true spirit of the sportpro tour technology our ultegra series is pro proven as it is a direct trickle down from our dura ace group it stands for state of the art technology proven in pro races dont settle for almost perfect use our groupset builder to create your preferred mix of ratios and sizes a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products