spider neri per Sram e Hollowgram per corone QX1 Rotor
black spider for QX1 rings and for Sram and Hollowgram cranksets
http://www.gangolandia.com/cliente-prodotti-481.html
prima del trattamento – before anodyzation (sram type)
peso Sram 28 g weight
dopo l’anodizzazione – after the anodyzation (hollowgram type)
peso Hollowgram 35 g weight
eliflap 