Shimano XC703 Mountain Bike Shoes - Black SW Only the X3 rear derailleur provides

the X3 rear derailleur provides great shifting performance

for instance at 30 km/h speed

chain line: 43

and you are ready to ride

Shimano XC703 Mountain Bike Shoes - Black SW Only the X3 rear derailleur providesThe XC703 is a trail ready race shoe optimised for comfort and performance. The carbon reinforced midsole with low stack height stabilises your foot for a more efficient pedalling stroke, while the grippy ULTREAD rubber outsole provides unbeatable traction when tackling rugged terrain. Designed For Comfort High performance shouldnt compromise comfort. The XC703 utilises supple synthetic leather and breathable TPU mesh to keep you cool and comfortable