RACEWORK 18T carbon fiber ceramic bearing pulley rainbow is suitable for SHIMANO R7000 R8000 8050 9100

Product Features:

• Lightweight: Carbon fiber derailleur puuleys ultralight for 0.18 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 )
• RK3 For: Shimano 7000
• RK4 For: Shimano 9100/9150/9170/R8000/R8050/R8070

Product Details:

• Brand:RACEWORK
• Color: Rainbow
• Weight: About 87g
• Size: 14*9.2*1.5cm
• Gear ratio:13-18T
• Material: Full Carbon Fiber Frame , 7075 Aluminum Alloy
• Bearing: Ceramics

Package Included:

• 1 x Carbon fiber derailleur