The SRAM Force E1 chain is light, strong, and durable. Flattop technology creates a quieter chain that lasts longer for extended rides and countless shifts. The Force chain is compatible with 12-speed road cassettes and 13-speed gravel cassettes.Flattop technology results in a narrower, quieter chain, and increased strength and durabilityHard Chrome plated inner links and rollers reduce wear and extend lifespanCutouts in the inner and outer links save weightComes with Flattop PowerLockCompatible with 12-speed road groupsets and 13-speed XPLR AXS gravel groupsetsSuitable for e-bikesSram Article number: 737825 EAN code: 710845915277 Supplier number: 00.2518.070.013 Retail packaging: Yes