Gates front sprockets are used in combination with a Gates belt (belt not included) instead of a chain. Consult the Gates Carbon Drive Bicycle Calculator to determine the correct part. Gates offers 4 product lines. These product lines are often used by Gates to indicate the type of bicycle the part is intended for. This product belongs to product line: CDX: powerful commuter bikes, trekking bikes, mountain bikes, cargo bikes and e-bikes, and extreme conditionsProduct line: CDXMounting type: PinionGates Article number: 738416 EAN code: 4262428333467 Supplier number: 78980596-AM Retail packaging: Yes