估计Serotta 早期自己订做的管材,以下是少数找的到的介绍
C4Ti is used in the Legend...lighter and better performance, and tubes changes thickness three times to save weight but not lose any strength.
C3Ti is used in the Coucours...2 thickness changes, gives a strong, lively feel.
LZ这个S2Ti就不知道是哪个了。。。。
RULEE |