2013款felt b12铁三车配置如下：
FRAME Aero TT/Tri UHC Performance MMC Carbon Fiber
FORK Felt Aero TT/Tri UHC Performance Carbon
HEADSET FSA 1.125" Integrated
SEATPOST Felt Aero DA/B UHC Advanced Carbon
FRONT DERAILLEUR Shimano Ultegra 6700
REAR DERAILLEUR Shimano Ultegra 6700
CRANKSET FSA TriMax Pro TT BB30 - 52/38
BOTTOM BRACKET FSA BB30
BRAKE CALIPERS Felt Integrated Aerodynamic Design
BAR END SHIFTERS Vision Metron TTCASSETTE Shimano - 11/25
CHAIN FSA Team Issue 10s
WHEELS Felt TTR3
AEORBARS Bayonet 3 7075 aluminum
BASEBARS Felt Bayonet 3 6061 hydroformed aluminum
BRAKE LEVERS Tektro Aero
STEM Felt SL 3D forged 6061 aluminum
SADDLE Prologo NAGO EVO TRI 40
TIRES Vittoria Zaffiro Pro Slick
同时请老鸟们点评一下配置中的弱点，如果可能给点升级建议吧
