Ritchey superlogic c260 full carbon stemfit for the rigours of high wattage european classic endeavours, this full carbon stem from ritchey boasts an impressively stiff hold and strength to weight ratio to give an unrivalled performance on every run. With an improved, larger boom diameter and wider clamp, this high modulus carbon fibre construction also offers a larger stem to bar interface. This minimises stress and fatigue on the holding bolts, while the radius steer slot spreads pressure across the steerer tubes, making it an excellent addition to your handlebar setup. Features material unidirectional carbon fibre  degree angle 84 6  bolts torx t20steerer tube diameter 1 1 8 weight 125g approxbuy ritchey stems from chain reaction cycles, the world's largest online bike store.