Constructed from a highly durable forged alloy with a reinforced nylon coating to protect carbon rims

5 m cable length

and rechargeable Li-ion batteryUp to 300+ hours of ride time * Depending on ANT+/Bluetooth®LE settingsAccurate data collection±2

This top-of-the-line item from the respected brand

shimano ultegra front derailleur di2 rd r8150 SALE20 Constructed from a highly durableDescription Our fastest ever front shifting, 45% faster than FD R9150 Smaller, sleeker, lighter Frontal area reduced by 33% Weight cut to 116 g Top gear teeth capacity: 50 52T Product Description Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action.