Portal Lineage All Purpose Sock - Black Beauty R3 The derailleur also acts as

The derailleur also acts as the central communication hub for the entire Di2 system

making it the perfect choice if you occasionally have to leave your bike in locations such as railway stations where the risk of theft is high

a reduced risk of punctures

For maximum drivetrain life

Cannondale Habit Shock Bolts

Portal Lineage All Purpose Sock - Black Beauty R3 The derailleur also acts asA performance cotton blend sock for all purpose active use. FEATURES Mid weight construction Ribbed cuff for moisture control Light cushioning on sole for added comfort Portal branding on rear and top of foot Size medium weighs 60 grams per pair Fit Light compression with calf length cuff. S = 37 39 M = 40 42 L = 43 46 MATERIALS 70% cotton 25% polyamide 5% elastane