Shotgun Replacement Trek Knock Block Adapter - Trek Knock Block Adapter algolia-ignore The SLX derailleur offers a

The SLX derailleur offers a very similar level of performance to the XT model but uses a steel cage rather than aluminium

Stand out features: A super hot looking

comfortable and breathable t-shirt for apres-ride duties

14% Wood Fibre

the shorter the distance the better

Shotgun Replacement Trek Knock Block Adapter - Trek Knock Block Adapter algolia-ignore The SLX derailleur offers aIf 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