Because you can mount larger items to this cage have the option to carry other items as well

1000 lumens

and puncture repair kit

Hyper Constant mode - 1700/200 lumens： 12hrs

Fits 12-spline cassette lockrings from Shimano®

Park CT-5 Mini Brute Chain Tool netsuite-webdata-created Because you can mount largerDependable chain tool from the leading tool brand available. The Mini Brute is a small compact chain tool that you can easily bring with you in your trail pack. Compatible with almost every chain you may encounter on the trail. Features: Compatible with 5 to 12 speed chains. Does not work with Campy 11 speed. Built in shelf for tight links. Replaceable pins. 77g. 60 x 55 x 15mm.