HY Carbon Seatpost Fit Bianchi OLTRE XR1 XR4 XR3 XR2 Aquila 141g
BianchiOLTRE XR1, XR2, XR3 ,XR4 & Aquila. 310mm= 141g for <110kg Rider. Only for Genuine Bianchi, Will Not fit With Replica. Made by Hylix, not Bianchi. Anti Slipping Carbon Fiber Grip Gel is Necessary.