There are rubber o-rings to keep the tyre plugger tools safely stowed in your grips and to help keep crud out of your handlebars

Injection Moulded Polymer Interface

Fitting onto chainrings with 104 BCD spider mounts

these are comfy enough to climb in but strong enough to hold up if you find yourself sliding your rump instead of your tyres

Maxxis Ultralight Tube - 20 Inch - Schrader - 1.90-2.125 Inch - 32mm netsuite-webdata-created There are rubber o-rings toMaxxis Ultralight tubes are lightweight and durable racing tubes. Be sure to keep a few spares on hand! Who's this item for: Racers looking for a lightweight advantage on their XC bike. Removable valve core: Yes, the valve cores are removable. Tube wall thickness: 0. 60mm Weight: 27. 5 x 1. 75 2. 40: 147g 29 x 1. 75 2. 40: 156g Materials: Butyl rubber with a metal valve stem and core.