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

Description SPD compatible

Off-Race Bandana delivers versatile protection and style for cyclists who demand both function and aesthetics

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shimano dura ace fc r9100 52t 11 speed chainring variantid_4030 The ALPHA Disc pulley wheelsThe 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