Kids Ride Shotgun Pro Trek Knock Block Adapter yr22 EVO Compound: High-tech formulation that

EVO Compound: High-tech formulation that provides excellent grip and low rolling resistance at the same time

The free ELEMNT companion app allows you to set up customised profiles

Perfect combination with BL-MT401 lever

HYPERGLIDE+ cassettes have revolutionized off-road shifting with their seamless shifts both up and down the gear range

One pack that never lets you down and is always ready for more miles no matter what adventure you choose

Kids Ride Shotgun Pro Trek Knock Block Adapter yr22 EVO Compound: High-tech formulation thatIf 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