Prima 5.5mm Yellow Disc Lock - Scooters & E-Bikes

Small rotor holes shouldn’t limit your security options. This Prima yellow disc brake lock has a 5.5 mm hardened locking pin designed for scooters, e-bikes, and other vehicles with smaller brake rotor holes. These openings are often too small for the larger pins on motorcycle disc locks. The bright yellow housing adds a visible theft deterrent, and the included orange reminder tether helps you remember to unlock before your next ride.

Key Features

• Sized for smaller rotor holes: The 5.5 mm hardened pin is a practical choice where larger motorcycle disc-lock pins will not fit
• For scooters, e-bikes, and more: Fits compatible disc brake rotors based on opening size and lock-body clearance
• Highly visible yellow housing: Makes your added security easy to spot
• Weather-resistant finish: Rubberized coating helps resist corrosion during everyday use
• Orange reminder tether: Connects the lock to the handlebar as a reminder to unlock before riding
• Ready-to-carry kit: Includes two keys and a storage pouch

Technical Specifications

• Brand: Prima
• Part number: 0300-0109
• Lock type: Key-operated disc brake lock
• Locking pin diameter: 5.5 mm
• Color: Yellow
• Included: One disc lock, two keys, one orange reminder tether, and one storage pouch
• Country of origin: Taiwan

Compatibility

Measure your rotor opening before ordering. The smaller pin expands your options, but does not guarantee fit on every scooter or e-bike. Check rotor thickness and lock-body clearance as well. This lock cannot attach to a drum brake.

Attach the reminder tether whenever the lock is installed, and remove both the lock and tether before moving the vehicle. Use as an additional theft deterrent, not a guarantee against theft.

• Bright yellow housing for visible theft deterrence
• 5.5 mm hardened pin designed for smaller scooter and e-bike rotor holes
• Weather-resistant rubberized coating
• Includes orange reminder tether, two keys, and storage pouch
• Fits compatible scooters, e-bikes, and other disc-brake-equipped vehicles

Brand: Prima; Part number: 0300-0109; Type: Key-operated disc brake lock; Pin diameter: 5.5 mm, designed for smaller rotor holes; Color: Yellow; Includes: One lock, two keys, orange reminder tether, storage pouch; Origin: Taiwan; Applications: Compatible scooters, e-bikes, and other disc-brake-equipped vehicles; Match rotor opening and lock-body clearance

Scooters, e-bikes, and other vehicles with compatible disc brake rotors. The 5.5 mm pin is designed for smaller rotor holes that may not accept larger motorcycle disc-lock pins. Match rotor opening, rotor thickness, and lock-body clearance. Not for drum brakes.