13mm depth single bolt clamp. 31.8mm alloy seat-tube clamp.
GT All Terra 34.9mm Seat Clamp With Quick Release Bolt Lightweight Alloy Black
Promax Bike 31.8 mm Lightweight Alloy Black Seat Clamp For 27.2 Post 20 grams
GT All Terra 34.9mm Seat Clamp with Quick Release Bolt Lightweight Alloy Black
Bike Stem Reducer Shim Aluminum Alloy Adapter 25.4mm To 31.8mm Secure Handlebar Attachment Lightweight Sturdy Black Blue Easy Install For Mountain(Black)
RISK M5x12mm Titanium For Bicycle Bottle Cage Screws, For Bike Water Bottle Holder Bolts for Cycling, Lightweight Alloy Fasteners Kit, Black Gold Color Options(black)
Kickstand for BROMPTON Folding Bikes, Adjustable and Lightweight, Aluminum Alloy (black)
