The Gates CDX Centertrack sprocket for Pinion transmissions can be mounted directly onto the Pinion gearbox thanks to its special attachment. The use of aluminum ensures a clear weight advantage. In addition, the proven tooth profile with Mudports offers optimal performance and durability. The patented Center Track design with a central guide flange also prevents the belt from running off the sprocket. Technical specifications: Material: Aluminum 6061 Color: black Compatible with Pinion P and C series gearboxes Center Track design with central guide flange Pitch: 11 mm Extra light Application: City bike, MTB, Trekking / Gravel System: CDX:SL Interface: Direct Mount / Pinion Number of teeth: 39 Gates front sprockets are used in combination with a Gates belt (belt not included) instead of a chain. Check the Gates Carbon Drive Bicycle Calculator to determine the correct part. Gates uses 4 types of product lines. These product lines are often used by Gates to show which type of bicycles the part is for. This product belongs to product line: CDX: high-performance commuter bikes, trekking bikes, mountain bikes, cargo bikes and e-bikes, and extreme conditions Product line: CDX Mounting type: Pinion Gates Article number: 738154 EAN code: 4262428333139 Supplier number: 78980369-AM Retail packaging: Yes