42T MTB Chainring Guard Lightweight

Measures approx. 10.1 cm × 7.4 cm (3.98 in × 2.91 in), defined by outer-hole spacing × inner-hole spacing. Constructed from high-grade plastic offering optimal strength-to-weight ratio — lightweight for minimal rotational inertia, yet stiff enough to withstand trail-side knocks and sustained pedalling force. Specifically sized for 42-tooth mountain bike chainrings and compatible with many standard double or triple crankset configurations. Supplied with 1 guard ring and 8 mounting screws. Functions as a physical barrier against chain side-contact with frame, clothing or debris — limits grease accumulation and minimises abrasive wear on chain links and teeth. Its contoured shape follows natural crank rotation path to support consistent leg motion and reduce repetitive strain on knees and hips.