Shimano sora r3000 9 speed double shiftersengineered for road bike adventures, these 2x9 speed dual control levers provide smooth and dependable shifting operation on every ride'. '.strtoupper('c')oming equipped with an adjustable lever reach, these can be fine tuned to perfectly match your hand size, riding style and the terrain conditions'. '.strtoupper('s')himano has also ensured that both shifting and braking can be controlled from each lever, which frees up valuable handlebar space.featuresuse roadspeed 2x9 speedshift lever outer casing ot sp41shift lever outer casing rd side ot sp41 sealednew super slr yeshidden brake and shift cables yesclamp band 23.8 24.2mmreach adjust screwlever type dual control leversingle or pair pairpart numbers str3000dpatechnologiesoptislick optislick cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance.new super slr slr stands for shimano linear response'. '.strtoupper('t')he new super slr design makes use of a friction reducing mechanism in the caliper, lever and cable that improve response and modulation'. '.strtoupper('a')lso for the lever, the servowave mechanism is adopted to provide quick contact of shoe to rim and longer stroke from the initial braking effect for better control'. '.strtoupper('s')lr is the essential factor in the shimano dual pivot caliper that deliver more braking power than conventional side pulls.dual control lever dcl stands for dual control lever'. '.strtoupper('i')t has brake and shifting functions in the system and enables easy operation'. '.strtoupper('e')rgonomic innovation is probably more critical to the higher standard performance than the added gearing'. '.strtoupper('t')he shift internals borrow the robustness from our mtb technology and are so smooth and effortless that one finger shifts front and rear are possible'. '.strtoupper('i')ndeed, shifting is the ultimate act of shimano total integration, and simply has to be experienced to be understood.sp41 with ot sp41 the entire length of the outer casing is pre lubricated with a special silicone grease for quick and precise shifting performance'. '.strtoupper('o')t sp41 maximally reduces the inner cable friction to provide quick response to operations and easy effortless shifting'. '.strtoupper('m')oreover, power loss due to delay in shifting and fatigue by shifting especially when you ride on the terrain with many ups and downs as well as a long distance is also reduced'. '.strtoupper('8') color options are also available for outer casing to meet many requests.reach adjust brake lever is equipped with a reach adjust mechanism'. '.strtoupper('t')he distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences.a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.