Onguard Mastiff Chain and U-Lock Bike LockDESCRIPTION Secure your bike with confidence using the Onguard Mastiff 10mm Chain and U Lock, a heavy duty anti theft security system designed to protect valuable bikes and e bikes in urban environments. Built with hardened steel links and advanced locking technology, it delivers powerful protection against cutting, sawing and tampering. Engineered for maximum durability and versatility, the hexagonal chain links and reinforced U lock design work

Range: Up to 80 km / 50 miles *

and Stem: 2 years

✅ short city rides

secure setup

Whether you’re cycling through the park

it is the ideal replacement or spare charger for worry free riding all year round

Normal Wear & Tear: Wear & tear on components such as tyres

50 miles / 80 km on PAS 5

Material: Stainless steel

tracks and weekend trails

20 Cooling Vents: keeps airflow consistent to help you stay cool and comfortable during longer rides

Tyres: 29 x 2