BIHR 21 mm Spark Plug Socket Wrench (manufacturer reference L35-495) — a wrench specially designed to work on spark plugs in the tight spaces of motorcycles. Compact and functional, it facilitates access to hard-to-reach spark plug seats without the need to disassemble other components.
- Size: 21 mm, suitable for spark plugs with the corresponding standard thread.
- Profile: 12-point design for a positive grip on the hexagon and to limit the risk of rounding.
- Mechanism: integrated ratchet for working in confined spaces and allowing tightening/loosening with short movements.
- Flat format: low profile to fit between pipes, casings, and electrical harnesses.
Whether for maintenance oil changes, ignition checks, or spark plug replacements in the workshop or on the road, this BIHR wrench proves practical and easy to use. Its design allows for control during disassembly/reassembly, preventing damage to the cylinder head or the spark plug. A product in the Spark Plug Sockets category, it is a useful tool for any motorcyclist who maintains their machine.