Single-sided socket
-For 48.5mm, 16-notch bottom bracket cups
-Machined 3/8'' drive for use with torque wrenches
-Durable, red anodized finish
-48.5mm/16-notch B.B.
-Thin Flange Bottom Bracket Socket Designed to create a tight grip on thin flange bottom bracket to avoid slipping while torquing cups into bike frames.
-Available for Pickup within 2 to 1 businesses days