Trek Knock Block Lockring toddler bike seat durability and fit - and

durability and fit - and to look super rad

you can order a replacement here

Thank you for being an outstanding bestie on the trails

Shipping information here

Perfect addition to your Mac Ride purchase (and ships inside your Mac Ride box

Trek Knock Block Lockring toddler bike seat durability and fit - andThis lockring spacer is automatically discounted by 60% off for customers also buying a Mac Ride. Do you ride with the Knock Block headset? If yes, your spacers have notches on them. In order to be Mac Ride compatible, you need this wee KNOCK BLOCK Lockring Spacer. The order for installation, Option 1, with knock bock spacers Base: any knock block spacers you are keeping 2nd Layer: lockring spacer 3rd Layer: Mac Ride front mount spacer Then, your