bicycle jockey wheel pulley for speed gear set Mountain bike or Road Bike pulley Speed Rear Derailleur Wheel
whakaahuatanga hua
* 11T muri RD wīra taimaha: 9g
* Material: AL7075-T6 konumohe koranu CnC machining
* Rahi Tāuta: 6mm / 5mm / 4mm
*outside diameter 42mm
* Tae: Pitoake whero, i tohu, puru, te koura, Titanium
* Faaiteraa i: Steel Ball ◊Oku hanga / Faaiteraa i Ceramic
* E tika ana mō te: tuku tikanga katoa
* Hanga ana tēnei hua te o AL7075-T6 pae tawhio CnC, oti ki maripi taimana, taimana-rite e pai te kakano whakarewa me te ahua o te hua. Ohi i te Japanese ararewa maitai pōro kawemai, te hurihanga kua kahore parenga, e nui te whakaiti i te ātete waku me whakapiki i te tōtika eke.
This is the most conventional RD pulley, but with much improved material, appearance, process and assembly.
For very little cost, you can have a much better product than the original ones.