CeramicSpeed OSPW RS Alpha Pulley Wheel System Shimano 105 7150 - ALPHA Aluminum Pulley Carbon Cage BLK MFPN=12260017 8mm rise -25 deg length

8mm rise -25 deg length 110mm color black

Super oversized lower ball bearings

Rearward positioned and anatomically adapted pressure relief channel prevents discomfort and numbness

Stainless Steel Track Lockring

}Shimano STEPS SC-E7000 Head Unit Stay - 31

CeramicSpeed OSPW RS Alpha Pulley Wheel System Shimano 105 7150 - ALPHA Aluminum Pulley Carbon Cage BLK MFPN=12260017 8mm rise -25 deg lengthDistinctly modern and angular design Design brings balance and refinement to the OSPW System allowing it to blend seamlessly into the contemporary design trends of bikes and groupsets Injection Molded Carbon Fiber reinforced PA cage offers high levels of strength and durability Grade 3 Silicon Nitride ball bearings are 400% smoother, 128% harder and 58% lighter than standard steel balls normally used in the bicycle industry Customizable spring tension