These are chain replacement parts for off-road bikes that restore secure links during roadside repairs and routine maintenance. Riders can feel reassured on trail days when a quick fix keeps the ride going. Is the sourcing map 420 Chain Master Link the right spare for 50-125cc ATVs and pit bikes?
⚡ At a Glance
- • Durability: Metal construction with compact dimensions and a precise pin diameter for robust joins
- • Best for: Owners of 50cc–125cc ATVs and dirt or pit bikes running #420 chains
- • Not ideal for: Owners using chains other than #420 or bikes outside the listed engine sizes
The links fit #420 chains on 50-125cc ATVs and dirt/pit bikes. Supplied as a pack of two metal master links with approximate measurements for pin diameter and inner width.
Secure chain connection, with precise pin diameter and axle spacing
Pin diameter measures about 0.39 cm and axle distance is approximately 13 mm, dimensions that match #420 chain tolerances. Inner width is roughly 10 mm, so the mating plates sit close to the chain rollers for a snug join.
A close-fitting pin and correct axle spacing reduce sideways play and lower the chance of accidental disengagement during rides.
Broad compatibility, thanks to #420 chain sizing
Designed specifically for #420 chains and listed as fitting 50 cc, 70 cc, 90 cc, 110 cc and 125 cc ATVs and dirt/pit bikes. Sizing notes in the description match common small-engined off-road machines.
Serves as a practical spare for many small-engine off-road bikes, making it easier to carry a compatible replacement on longer outings.
Practical spare supply, with two links included
Package contains two #420 chain master links, each finished in silver tone metal. The compact dimensions approximate 2.35 x 1.63 x 1.08 cm for quick storage in a toolkit.
Keeps one link ready for immediate roadside repair and the other as backup, reducing downtime during rides or maintenance sessions.
✨ The 4 Key Reasons for sourcing map 420 Chain Master Link
- Precise Pin Diameter - ensures snug fit, reduces chain slippage risk on the trail
- Compact Dimensions - allow tight clearances and easy storage in a tool roll
- Metal Construction - offers corrosion resistance and durable mechanical strength for repeated use
- Twin Pack - means one spare prepared and one for backup during long rides
📋 Technical Details at a Glance
- Category: Sports
- Product Type: Chain Master Link
- Brand: sourcing map
- Fitment: 50cc, 70cc, 90cc, 110cc, 125cc ATVs & Dirt / Pit Bikes
- Chain Type: #420
❓ Frequently Asked Questions
Q: Will these master links fit my bike?
A: They fit #420 chains and are listed for 50cc, 70cc, 90cc, 110cc and 125cc ATVs and dirt/pit bikes. Check chain type before buying to confirm compatibility.
Q: How many links are included in the pack?
A: The package contains two #420 chain master links, supplied as a pair for immediate use and backup.
Q: What are the dimensions and material of the links?
A: Links measure approximately 2.35 x 1.63 x 1.08 cm with a pin diameter around 0.39 cm; construction is metal with a silver-tone finish.
🏆 Our Verdict
These master links suit owners and mechanics of small-engined ATVs and pit bikes who need compatible spares for routine maintenance and emergency repairs. Precise pin and axle measurements combined with metal construction deliver a straightforward, reliable join for #420 chains. While cost will vary, the twin-pack format and durable hardware make the links a sensible long-term spare for regular riders.
