Quite diddy, very strong. Will stop all but the most determined.
* Without doubt the strongest bicycle specific U-lock in the Kryptonite line up
* 18 mm Kryptonium steel shackle will resist bolt cutters and leverage attacks
* Oversize crossbar with additional Kryptonium steel sleeve for double security
* Double deadbolt locking mechanism for extensive holding power
* Centre keyway design defends against leverage attacks
* Sliding dustcover to protect keyway when lock is in use
* Thick vinyl coating to protect bike whilst locked up
* Supplied with three keys, one with a high intensity LED and a replaceable battery
* Dimensions: 8.3 cm x 15.3 cm
* Weight: 2.09 Kg
Can also get Evans to pricematch (from their usual £90 price)http://www.evanscycles.com/products/kryptonite/new-york-fahgettaboudit-mini-lock-ec018761
and click the 'Found a lower price? We'll match it!' bit, and you can take the resulting email instore and they match it there.