Spare chain links for small off-road bikes restore a secure chain join, named INFINAUTO 420 Chain Master Link. Riders get peace of mind on the trail knowing replacements match common 420 dimensions. Are these the right size and finish for your 50-125cc bike?
⚡ At a Glance
- • Build Quality: Metal construction with a silver tone finish, sized for #420 chains
- • Best for: Owners of 50cc, 70cc, 90cc, 110cc and 125cc ATVs and dirt or pit bikes
- • Not ideal for: Owners using chain sizes other than #420
Metal master links manufactured to common 420 measurements. Supplied as a pair for straightforward replacements.
Pocket-friendly spares - thanks to compact dimensions
Approximate size is 2.35 x 1.63 x 1.08 cm, giving a small physical footprint. Compact form helps store links in a toolbox or pocket.
Easy to carry as a roadside spare, so one replacement is immediately available when needed.
Secure chain engagement - thanks to precise pin and axle measurements
Pin diameter is approximately 0.39 cm, axle distance 13 mm and inner width 10 mm, matching standard 420 geometry. Those measures determine correct seating and lateral clearance.
Correct dimensions promote reliable seating on compatible chains, reducing the risk of misalignment after fitting.
Neat, durable finish - with metal construction and silver tone
Material listed as metal with a silver tone colour, offering a standard replacement appearance. Metal construction is typical for master links in this category.
Replacement links blend with most chains and maintain a tidy look after installation.
✨ The 4 Key Reasons for INFINAUTO 420 Chain Master Link
- Two links included - Spare pair supplied, allowing quick roadside fixes without delay
- Precise measurements - Dimensions ensure accurate seating on standard 420 chain
- Metal construction - Solid build stands up to regular trail and track use
- Silver tone finish - Blends with most chains for a tidy, factory-style appearance
📋 Technical Details at a Glance
- Category: Sports spare part, chain master link
- Compatibility: Fits 50cc, 70cc, 90cc, 110cc, 125cc ATVs and dirt/pit bikes
- Chain size: #420
- Material: Metal
- Colour: Silver tone
❓ Frequently Asked Questions
Q: Will these fit a 125cc pit bike?
A: Yes, listed compatibility includes 125cc ATVs and dirt or pit bikes, so they match chains used on those machines.
Q: How many master links are supplied in the pack?
A: The package contains two #420 chain master links, giving an immediate spare for replacement.
Q: What are the key measurements I should check before ordering?
A: Key dimensions are inner width 10 mm, axle distance 13 mm and pin diameter approximately 0.39 cm; compare those to your chain specifications.
🏆 Our Verdict
Suitable for riders of 50cc–125cc ATVs and dirt or pit bikes who need a direct #420 replacement. Metal, silver-toned master links with standard 420 measurements and two links per pack make for practical spares. A simple, practical choice that adds reliability when out riding and keeps a tidy spare on hand.
