SHIMANO DURA ACE B.B.-SM-BBR9100 (BSA) and BBR9100 (ITA)Bottom bracket with small ball bearings for lightweight Advanced seal construction for smoother rotation Available in English (BSA) or Italian threading BB Shell Width: 68mm 70mm Average Weight: 65g

4-degree upsweep

- Silent and reliable shifting on rough terrain

SRAM NX 1x11 Speed Right Shifter MTB Bike Bicycle

Rounded rear profile to facilitate comfortable left and right movement

Spokes Number: 21

SKU: BR-R7000

Components：Derailleurs

MTB Number of Gears - rear: 9 Model year: 2025 Collection: Full year Color: Grey

ensuring optimal airflow and a cool head in dense traffic

Precisely tuned stud positioning for controlled and forgiving riding at the limit

with inner cable only

- Best Balance For Lighter Weight (-7G) And Efficiency