Shimano FC-4700 Tiagra Crankset - 50/34t, 172.5mm Bike Accessories Brand_RockShox so they can be a

so they can be a bit tight sometimes

Higher rigidity

Shimano BB-ES300 Octalink V2 Bottom Brackets

Grade Simulation: 15%

CASSETTE: Shimano Dura-Ace CS-R9200

Shimano FC-4700 Tiagra Crankset - 50/34t, 172.5mm Bike Accessories Brand_RockShox so they can be aThe Shimano Tiagra FC 4700 2 piece crankset balances weight and efficiency without sacrificing stiffness. Optimal balance between stiffness and light weight provides outstanding power transfer Aluminum construction with anodized finish provides strength, weight savings, and keeps the crankset looking great Gear shape optimized for HG X chains Compatible with HG X 10 speed chain 43. 5mm Chainline 150mm Q factor Number of Chainrings: Double Color: Gray