Rockshox Carbon Expander Headset Preload System Images Uploaded - Ready for Review Who's this item for: Anyone

Who's this item for: Anyone who rides a bike and would like to know how worn their chain is

Set includes left and right hand cups

Who can use Mac-Ride

Also comes with an included action camera style helmet mount

Rockshox Carbon Expander Headset Preload System Images Uploaded - Ready for Review Who's this item for: AnyoneGenuine RockShoxs carbon steerer tube expander plug for straight steerers. But what does an expander plug do? Expander plugs reinforce the areas of your steerer which are clamped preventing damage to the layer of carbon fibre while also allowing you to preload the headset bearings before you tighten the stem clamping bolts.