This is the only chainguide on the market that is designed specifically for Oval chainrings

Protection level: Heavy Duty Protection

and derailleur

For rides under 3 hours

Osprey Savu 5 Lumbar�Bottle Pack - Dustmoss Green - 2021 Needs Images This is the only chainguideIf you like to carry more gear than you can fit in your pockets but don't like that big sweaty hug feeling that a full pack gives you then the Osprey Savu Lumbar Bottle Pack may be just the thing you've been looking for. This pack sits on your hips, leaving your shoulders free to breathe and it allows you to carry a bunch of gear as well as up to two water bottles with easy access on the go. Who's this item for: Riders that want to carry more gear