Kryptonite 44mm Laminated Steel
Kryptonite

Kryptonite 44mm Laminated Steel

$15.95
In Stock

Compact, heavy-duty 44mm laminated steel padlock with double deadbolt and hardened shackle. Pre-lubricated with Finish Line Dry Teflon for long-lasting, low-friction reliability.

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Product Details

Overview & Technology

Kryptonite's 44mm Laminated Steel padlock (Mfr. Part #: 850359, Product #: 810277) is engineered as a compact, dependable security option for cyclists who need a small but tough lock for panniers, cargo straps, trailer couplings and accessory cases. The 44mm plated steel body combines laminated construction with a hardened steel shackle to resist leverage and cutting attempts while keeping weight and bulk low. Key mechanical advantages include a double deadbolt locking mechanism that secures both sides of the shackle and reduces shackle twist under attack. The lock is factory-coated inside with Finish Line Dry Teflon lube to improve cylinder life, resist grit and moisture infiltration, and keep the key action smooth in all-weather conditions.

Key Features

This padlock is built with materials and details that matter in the real world. The laminated steel body provides layered toughness that spreads impact forces, while the plated finish resists corrosion on wet rides and during long storage. The hardened steel shackle adds cut- and pry-resistance, and the double deadbolt locking increases extraction strength. • 44mm laminated steel body — compact footprint for bags and accessory loops. • Hardened steel shackle — resists bolt cutters and sawing better than standard shackles. • Double deadbolt locking — secures both sides of the shackle against twist and pull attacks. • Finish Line Dry Teflon lube — pre-applied inside the cylinder for smoother operation and reduced corrosion.

Fit & Compatibility

The 44mm internal size (1.7") is designed for a wide range of bikepacking and touring uses: locking zipper pulls on panniers, securing roll-top straps, locking trailer couplings, or adding extra deterrence to accessory boxes. Its compact dimensions make it easy to stow in a pocket or pack without snagging. The lock uses a keyed cylinder rather than a combination, so keep track of the key or consider pairing it with keyed-alike Kryptonite items if you want a single key for multiple locks. The slim form fits most accessory loops, D-rings and lashing points, but it's not intended to replace a U-lock or heavy chain for securing a full bike frame to fixed objects.

Who It's For

This padlock is ideal for bikepackers, touring riders and commuters who need a reliable, low-weight lock for luggage, bags, trailer couplings and accessories. It's perfect when you need to secure gear quickly at a rest stop, campsite or café without carrying a bulky chain. If you want theft-proof framing for your bike itself, combine this padlock with a dedicated frame lock or high-security U-lock; the 44mm Laminated Steel padlock is best used as a secondary security measure and for protecting removable kit.

Key Features

  • ✓ 44mm laminated steel body for compact, layered impact resistance
  • ✓ Double deadbolt locking secures both shackle sides against twist
  • ✓ Hardened steel shackle improves cut and pry resistance
  • ✓ Pre-lubricated with Finish Line Dry Teflon for smooth operation
  • ✓ Plated finish resists corrosion from road grit and wet weather
  • ✓ Keyed cylinder — simple, reliable key operation for quick locking
  • ✓ Slim 1.7" internal clearance fits pannier loops and accessory D-rings

Specifications

Internal Lock Size Metric 44mm
Lock Type Key
Primary Color Silver
Internal Lock Size Imperial 1.7''

Product Identifiers

Vendor Item # 850359
UPC 720018850359

Frequently Asked Questions

Is this padlock suitable for locking my bike frame?

This 44mm padlock is designed for securing accessories, panniers, trailers and small items rather than as a primary bike-frame lock. For full-frame security you should use a heavy-duty U-lock or hardened chain; this padlock works well as a secondary deterrent.

Will the lock resist rust and corrosion on long tours?

The plated steel body and hardened shackle offer good resistance to corrosion, and the internal Finish Line Dry Teflon lube helps protect the cylinder from moisture. For long-term exposure to salt or heavy rain, occasional external cleaning and a light protective spray will extend life.

Can I get additional keys or keyed-alike versions?

Kryptonite normally offers key replacement and keyed-alike options through their parts service or authorized dealers. Check your product code (Mfr. Part #: 850359) when ordering replacements or contacting Kryptonite support to confirm keying options.

How heavy and portable is the lock?

The padlock weighs approximately 0.4 lb and measures 44mm (1.7") internal. Its compact footprint makes it easy to stow in a pocket, hip pack, or pannier without adding significant bulk to your kit.

Does the lock come pre-lubricated?

Yes — the cylinder is coated at the factory with Finish Line Dry Teflon lube, which reduces friction, repels dirt, and improves durability out of the box. Periodic re-lubrication with a dry Teflon product will maintain smooth operation.

Buying Guide

When choosing a padlock for cycling use, consider intended purpose first: accessory and luggage security needs a compact, lightweight lock, while securing the frame requires a U-lock or heavy chain. Look for hardened shackles, laminated or solid bodies, and double-deadbolt mechanisms for better resistance to twisting and leverage attacks. Match internal clearance to the attachment points you plan to use (D-rings, zipper pulls, trailer loops) and prefer keyed cylinders for quick operation if you carry multiple locks keyed-alike. Pre-lubricated cylinders and corrosion-resistant finishes are especially valuable for bikepackers and commuters who ride in wet or salty conditions.

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