Hola, que opinais de estas bielas con el nucleo BB30 , con 2 platos 42/27t la descripción: model #: CK-OSC9400 hollow carbon fiber arms low speed extruded AL7050 BB30 spindle AL7075 100% CNC chainrings AL7075 torx T-30 alloy chainring bolts arm length: 175mm Q-Factor: 168mm BCD: 86mm chainline: 49.5mm teeth combination: 42/27 speed: 9 finish: 3K carbon weave weight: 603g model year: 2011 condition: new in package BB30 CERAMIC: model #: BB30 MTB ceramic BB30 cartridge bearings includes Circlips and bearing covers\ weight: 59g gracias.
