Model SD4 Compatible:
For Shimano 9100 9150 9170 R8000 8050 8070
Material: Full carbon fiber frame + Ceramic Bearings + 7075 Aluminum Alloy Guide Wheel ( CNC )
Gears: 10 and 11 speed
Weight: 55 grams
For bike type: Road bike and folding bike above 20"
SIZE: 13T + 17T
tuk Shimano R7000:
https://tokopedia.com/toko883/oversize-ceramic-pulley-for-shimano-r7000-series Features:
Lightweight:Carbon fiber derailleur puuleys ultralight for 0.13 lbs
Reduce Friction: Save 60% frictional resistance than 11T
Smooth: Ceramic Bearings make it smooth and save more than 2.4 watt
Durable: Full carbon fiber frame + Ceramic Bearings + 7075 Aluminum Alloy Guide Wheel ( CNC )
Suitable for Shimano 9100 9150 9170 R8000 8050 8070 guide wheel group
Fungsi :
-Secara efektif meningkatkan inersia rantai Power
-Mengurangi gesekan rantai dan membuat rantai stabil
-Memperkuat keamanan struktural rocker pengikat lengan
-Transmisi stabil dan cepat
-Kelancaran efisiensi berkendara
-Pendakian lereng gunung menghemat usaha dan frekuensi melangkah meningkatkan secara efektif
-All-ceramic resistance free (bebas gesekan/loncer) menggunakan bearing ceramic
-mengurangi gesekan konsumsi Power
Bahan: serat karbon