Weight is the honest measure of how much steel a lock actually carries · review
A 16 mm hardened-steel U-lock for high-risk areas, with anti-rotation features, a disc cylinder and a frame bracket.
Our conclusion Kryptonite’s heavy 16 mm New York U-lock with anti-rotation shackle features, a pick- and drill-resistant disc cylinder, a dust cover and a FlexFrame-U bracket. For high-risk city parking.
A heavy lock for a bike that stays outside in a city. Lighter Kryptonites suit lower-risk stops: see the best bike lock.
Read on the day this page was built: $138 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text are dated readings and can differ from the live price in the buy box.
| Shackle | 16 mm hardened max-performance steel |
|---|---|
| Anti-twist | Patented anti-rotation features on the shackle |
| Cylinder | Disc-style, pick and drill resistant; sliding dust cover |
| Keys | 2 stainless steel keys |
| Mount | FlexFrame-U bracket included |
| Weight | 4.5 lb in the catalog |
| Amazon reference | B06XCH21YH |
| EAN | 0720018002154 |
It resists bolt cutters and leverage attacks; only power tools defeat thick hardened shackles quickly, and they take time and noise.
Through the rear wheel and frame to a fixed rack, filling the U so a jack cannot fit inside.
8.1/ 10
Kryptonite’s heavy 16 mm New York U-lock with anti-rotation shackle features, a pick- and drill-resistant disc cylinder, a dust cover and a FlexFrame-U bracket. For high-risk city parking.
Same category, nearby prices, between bike gear. What remains is the specifications every one publishes — half empty, a column is no use.
| Model | Price | Weight |
|---|---|---|
| Kryptonite New York Standard (2154) | $138 | 4.5 lb in the catalog |
| Kryptonite Evolution Standard (2130) | $126 | 3.50 lb |
| ABUS Bordo Big 6000K folding lock, 120 cm | $114 | 1,546 g (3.4 lb) |
| Kryptonite New York Fahgettaboutit Mini (2178) | $180 | 4.55 lb |
A valuable bike locked for hours in a city where theft is common
Specifications: the manufacturer sheet for bike gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
14 mm (0.55 in) shackle · Sold Secure Diamond · 6 ft (1.7 m) cable
A large U-lock with a 14 mm (0.55 in) hardened shackle and a Sold Secure Diamond rating, supplied with a 6 ft (1.7 m) cable for the front wheel and accessories.
Best for: Anyone leaving a bike in a city where theft is a real prospect, and who is prepared to carry the weight.
≈ $89.20
13 mm shackle · double deadbolt · Sold Secure Gold · 3.25 × 7 in · 3.55 lb
A compact U-lock with a 13 mm hardened shackle, double-deadbolt locking, a Sold Secure Gold rating and a 4 ft double-loop cable.
Best for: City riders who lock to a standard bike rack for hours.
≈ $82.88
Folding · 47 in (120 cm) · 5 mm bars · ABUS level 10 · 3.4 lb (1,546 g)
A long German folding lock with 5 mm hardened steel bars, a soft coating that protects paint, and an ABUS security level of 10.
Best for: A long reach around thick posts, for riders ready to carry the weight.
≈ $114.18
