CeramicSpeed OSPW RS Alpha derailleur pulley systems for Shimano R7150

CeramicSpeed OSPW RS ALPHA for Shimano 105 R7150 – lightweight derailleur cage system for road and triathlon

The CeramicSpeed OSPW RS ALPHA for Shimano 105 R7150 is a high-quality derailleur cage system for road and triathlon bikes. Its modern, angular design matches current road bike groupsets and gives your bike a clean look. The ALPHA Disc aluminium pulley wheels offer high stability and help keep dirt and foreign objects away from the pulley wheel. In addition, the patented ADR technology protects the bearings from contamination and supports smooth, long-lasting shifting performance. With a weight of 101 g, the system is light, robust and compatible with Shimano 105 R7150.

black | 13 teeth (guide pulley), 19 teeth (tension pulley):

Max cassette teeth:

34 teeth

black | 13 teeth (guide pulley), 19 teeth (tension pulley):

Pulley wheels:

13 teeth (guide pulley), 19 teeth (tension pulley)

• High-performance OSPW RS Alpha derailleur pulley system designed for Shimano R7150, ideal for Cyclocross, Road, Triathlon & Time Trial bikes
• Lightweight carbon outer cage and inner cage for optimized stiffness and durability
• Precision ceramic and stainless steel bearings for smooth, low-friction shifting
• Fiberglass-reinforced plastic components enhance strength while keeping weight minimal
• Compatible with 12-speed cassette setups for precise and reliable gear changes

• black | 13 teeth (guide pulley), 19 teeth (tension pulley): 113496

1 x CeramicSpeed OSPW RS Alpha Pulley System for Shimano R7150
1 x CeramicSpeed 15 ml Oil Dropper Bottle