the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets

Unleash Peak Performance with a Kick: Styrkr MIX90 Caffeine Dual-Carb Drink Mix

The first eight cogs provide a natural and comfortable connection

and versatility

Unleash Peak Performance in Any Condition with Styrkr SLT07 Hydration Tablets (Mild Citrus)

shimano chain cn 4601 hg 10 speed SALE_INDEX the new 12-speed ULTEGRA R8150Shimano Tiagra CN 4601 10 Speed Chain. Features: Not compatible with 9 speed system 10 speed compatible Super narrow HG chain for 10 speed Ampoule Type Connect Pin Specifications: Speeds: 10 Speed Links: 116