Trek Knock Block Headset Top Cover with Display Chip 820-07-191 Features the following sizes —

Features the following sizes — measure to be sure you are using the correct wrench for your wheel

Developed for maximum durability

Material: Plastic

The spacious deck accommodates up to two Yepp Easyfit baby seats simultaneously with no adaptors required

Trek Knock Block Headset Top Cover with Display Chip 820-07-191 Features the following sizes —Assembly includes bearing cover, frame chip & fastener 62 degree headset fits 2020 & 2021 Supercaliber, and 2021 Procaliber Frame chip has display tabs to connect Bosch Kiox Mount sold separately Must be paired with Knock Block stem and Knock Block spacers Knock Block headset spacers not included