Bike Giro ER-C Di2 BlackAVA Bike Giro ER C Di2 Black The AVA Giro ER C Di2 has been completely re engineered for those who love spending long hours on the road. Built around a Swiss engineered HMF carbon frameset, it retains its stable endurance geometry but now includes even greater tyre clearance (up to 34c) and comes fitted with 32c tyres for exceptional comfort and control. All cables are now fully integrated, creating a clean, aerodynamic profile. Every model features a