Size: M5 18mm /M6 18mm. ZTTO Bicycle Stem Screw s.
Bike Handlebar Stem Bolts M5 5mm x 18mm Screw for Bicycle Headset MTB Road
BIKE HANDLEBAR STEM BOLTS WATER BOTTLE M5 5MM 18MM HEADSET BLACK MTB ROAD SCREWS
BIKE HANDLEBAR STEM BOLTS WATER BOTTLE M5 5MM 20MM HEADSET SILVER MTB ROAD SCREW
BIKE HANDLEBAR STEM BOLTS M5 5MM 18MM WATER BOTTLE HEADSET BRAKE CRANK UNIVERSAL
BIKE HANDLEBAR STEM BOLTS M6 6MM 20MM HEADSET SILVER MOUNTAIN ROAD BMX SCREWS
