Check the listing for details. Proto Baby SCS OS Clamp - Gold (Oversized). Color: Gold, Condition: New. Listed at 59.95 USD. Proto Baby SCS OS Clamp - Gold (Oversized) The new PROTO – Baby SCS OS is the first 3” tall Baby SCS that is built to accept 1-3/8” (Oversized) handlebar columns used in many aluminum and titanium handlebars or 1-1/4” (Standard) handlebars using the included adapter shim. The Baby SCS OS also utilizes all of the same advanced features of the of the Sentinel SCS including: 8mm Low Profile Bolts (6mm Allen), Offset Slot and a Spreader Bolt. This is our most compatible and advanced Baby SCS to date! Features: Spreader Bolt for Easy Installation Made of High Grade 6061-T6 Aluminum 6mm Allen Drive Bolts Compatible with Standard and Oversized Bars 100% Made in California At SkatesUSA our primary goal is to give our customers the best deals on longboards at the lowest price. That is our commitment to you, our valued customer.