Shimano Ultegra 12 Speed Hydro Lever ST-R8170 RightSL POSITION ADJUST YES SERIES Ultegra GENERATION R8100 FRONT SPEEDS 2,N A REAR SPEEDS N A,12 ST SL ST SHIFTER TYPE Dual Control Lever

Thanks to MOTO Technology

Largest cog is aluminum

Covering: Real Leather (black

The sharp and narrow tooth profile

less of a stretch

tightly packed knobs and elevated ability to adapt to the terrain

with a hookless bead and impact resistance technology

2 compression nuts

This hanger is essential for maintaining drivetrain function and can help prevent damage from impacts or wear over time

these bolts provide reliable strength and corrosion resistance

Designed for comfort at every turn

and Spark models