31 8/34 9mm Front Derailleur Snap Ring Clamp Made from Rust Resistant Aluminum Alloy for Bike Derailleur Adaptation (31.8mm)
31 8/34 9mm Front Derailleur Adapter Clamp Bicycle Accessory Aluminum Alloy for Strong and Secure Derailleur Fixing (31.8mm)
BEAZOOM 31.8/34.9mm Front Derailleur Clamp, Lightweight Aluminum Alloy for Bicycle Gear Adapter for Direct Mount to Braze-On(31.8mm)
Shimano Acera FD-M390 31.8 or 34.9mm Front Gear Mech Derailleur 66/69 degree
Besttoolifes 34.9mm, Front Derailleur Clamp for Road and Mountain Bikes – Adjustable 31.8 mm / 34.9 mm Aluminum Alloy Snap Ring Spacer, Rust-Proof, Forged, Lightweight (Black)
Zorlun Road Bike Headset Stem Carbon Fiber Washer 1-1/8" 28.6mm 1-1/4" 31.8mm OD2 Front Fork Adjustment Spacer(5pcs-Set for 31.8mm)
