SINEDY 2 in 1 Mountain Bicycle Bike Lock Ring Remover Bottom Bracket Repair Tool Pedal Spanner Wrench Universal For 15mm 16mm Bicycle Bottom Bracket Locking & Pedal. A great tool for the amateur or professional cycle mechanic & tinkerer. Color: Chrome. Made from 4mm steel. Size: 15.5cm x 4.3cm x 0.3cm.