OBW-4 Offset Brake Wrench

Description

Park Tool USA OBW-4 Offset Brake Wrench is a compact specialty pedal wrench-category hand tool designed for brake service on bicycles with side-pull and dual-pivot calipers. The OBW-4 gives mechanics and home riders the clearance needed to reach tight brake hardware where a standard open-end wrench may not fit.

• Fits wrench flats commonly found on many brake calipers with 10 mm, 11 mm, 12 mm, and 13 mm openings.
• Compatible with many side-pull and dual-pivot road brake assemblies from modern and older bikes that use these common metric sizes.
• Replaces the need for a generic thin open-end tool when an obw- offset brake wrench replacement is needed for precise brake centering and adjustment.
• Park Tool part number: OBW-4; also described as a 10/12 mm and 11/13 mm offset brake wrench.

The park tool usa obw- offset brake wrench features a thin, offset profile that improves access around brake arms, mounting nuts, and recessed hardware. Its four metric openings make it a practical addition to any bicycle repair bench, especially for tune-ups, pad alignment, and caliper centering. This is an original Park Tool specialty wrench, not a generic aftermarket copy, and it is built for repeated shop or home use. Installation difficulty is minimal because no assembly is required—simply choose the correct size opening and adjust the brake hardware with better leverage and clearance than a standard wrench.

Trusted Park Tool quality, easy DIY use, and OEM-quality performance. Ships same day from our warehouse.