evo.com | OneUp Components Bashguards > Designed for bikes with existing integrated upper chain guides, the OneUp Components ISCG-05 Underbash provides a bash guard solution. Slap one of these on your bike and keep your eyes down trail: there's no need to worry about what's going on under your bottom bracket, it's protected! 7075 Aluminum Glass Reinforced Thermoplastic Capacity 28 - 36T Install without Removing Cranks ISCG05 2-Bolt Only | OneUp Components ISCG-05 Underbash 2026 - 2-Bolt ISCG-05 / 28-36T in Black | Aluminum/Plastic