1/8 BEARING ADJUSTER PT-4

Dedicated Tools for Longer Pedal Life and Maximum Performance

• The "1/8 BEARING ADJUSTER PT-4" is a specialized tool designed for removing, installing, and adjusting locknuts and cone nuts on MKS cup-and-cone bearing pedals. It is compatible with MKS pedals that use 1/8-inch bearings.

• Use the 10mm width-across-flats hex opening to adjust the locknut, and the 13mm width-across-flats hex opening to adjust the cone nut.

• *For detailed maintenance procedures, please refer to the official Q&A on our website. If you feel unsure about performing these adjustments or service yourself, we highly recommend consulting your local bicycle retailer or professional bike shop.

• [Compatible Pedals] *Information current as of June 2026.
  Seahorse / ROYAL NUEVO / EXA / LAMBDA / GAMMA / RMX / MT-E / AR-2 / TOURING-LITE / PROMENADE / CT-LITE / IC-LITE / GR-9 / GR-10 / Aurora / MT-LITE / MT-LUX COMPE / MT-LUX COMPE 75 / ESPRIT / UB-LITE / Pretzel / XC-Ⅲ / RUNBER-X