SRAM Pulley Kit - For x.9 and x.7 - 9-10 Speed Derailluers Sunshine_Enriched 5x10mm for 2017 TCR/Defy/Avail Advanced

5x10mm for 2017 TCR/Defy/Avail Advanced Pro - disc models Used on Contend AR

The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms

3C: Triple Compound with harder base-layer and two progressively softer top layers for optimal traction and durability

The tube and head of the Thomson seatpost are integral-machined from one single piece of high strength 7000 series aluminum

it's packed with handy features

SRAM Pulley Kit - For x.9 and x.7 - 9-10 Speed Derailluers Sunshine_Enriched 5x10mm for 2017 TCR/Defy/Avail AdvancedOriginal equipment rear derailleur pulleys for SRAM rear derailleurs. Stainless steel sealed cartridge bearings