With its innovative membrane and lockable valve

Ideal for cyclists who value both performance and design

The ALPHA Disc pulley wheels combine a durable composite narrow-wide tooth profile with a solid aluminum disc

prioritizing long-lasting comfort and durability for demanding cyclists

making it adaptable to a wide range of conditions

shimano dura ace fc r9100 52t 11 speed chainring variantid_4030 With its innovative membrane andThe Shimano Dura Ace FC R1200 chainring uses hollow forged technology to provide a significant weight loss while giving increased rigidity. This guarantees the optimum power transfer. SHIMANO 2 11 speed chainring for Dura Ace FC R1200 crankset and Dura Ace FC R9100 P cranks with powermeter. While the inner chainring is made of anodised aluminium, the outer chainring has been hollow formed (Hollowglide) from anodised aluminium and carbon fibre