Wide link pivot design for increased rigidity and response. Outward angled set screws and re-profiled cage for better clearance. Convertible between top-pull or bottom-pull cable routing applications. Uni-band version fits 34.9/31.8/28.6mm seat-tubes with included shims . Low clamp (top swing) or high clamp (down swing) versions. For 66-69 (most common) or 63-66 degree chainstay/seat-tube angles. E-type version for specific bottom bracket mount . Designed for 50.0mm chainline applications: 155g (silver/black)