Shotgun KRS Pro Seat Part - Trek Knock Block Adapter No description The low height of 24

The low height of 24 mm allows for direct power transmission and fast edge changes

Embedded in the tire construction the Active Comfort Technology absorbs vibrations and smoothens your ride

Compatible with new 12-speed and road 11-speed FREEHUB body

Cut out of stainless steel

2g protein per serve

Shotgun KRS Pro Seat Part - Trek Knock Block Adapter No description The low height of 24If 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