Oxford Quartz XD10 Motorcycle Disc Lock The Oxford Quartz XD10 motorcycle disc lock is an ideal choice for riders looking for a strong, compact & convenient solution for their motorcycle security needs. A 10 mm locking pin ensures that your ride will stay safe, and it's size excels for both motorcycles and scooters alike. Available in either yellow or steel. Motorcycle Disc Lock Features: Tough & durable motorcycle disc lock. Attack tested. Ideal for both scooters and motorcycles. Twin spar lock chassis for double strength and cut resistance. Alloy construction with 10 mm hardened locking pin. Unique design which includes a minder cable & attachment eye. Comes with 3 keys (replacement key service available).