The Original V2 Insert is so light you shouldn't notice any decrease in efficiency or acceleration. At only ~90g you aren't going to change the lively feel of your sub 30lbs Bike. Despite this though, the material we use, one that is unique to Rimpact Inserts, will offer a damping and support that thinner carcass tyres cannot. Make your short travel Trail Bike feel like an All Mountain Machine!

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If you struggle with punctures, ride particularly harsh on the rear wheel or treat your Trail bike like an Enduro rig, definitely take the ~60g weight penalty and upgrade the rear to a Pro Insert. You'll get max protection available and barely notice the added grams.