Shotgun KRS Pro Seat Part - Trek Knock Block Adapter Youth Product Dual-Compound

Dual-Compound

With no extra straps or annoying cables

Clean frames and components without a prewash

Removable tri-fin set up

Three specially designed wicking pads apply the lubricant to multiple sides of the chain at once

Shotgun KRS Pro Seat Part - Trek Knock Block Adapter Youth Product Dual-CompoundIf your bike has a Trek Knock Block headset system, you will need this adaptor in order to fit your Shotgun Pro. Fitting the Shotgun Pro on a Trek bike with a Knock Block requires a minimum of 30mm clearance under your stem (from headset to the bottom of the stem). The Trek Knock Block adapter replaces one of your 10mm spacers, the Shotgun Pro spacer (provided with your Pro seat) replaces another of your 10mm spacers, one of your own 10mm spacers