The SRAM i-Motion series of products is a sport, urban, and trekking oriented product series developed and manufactured by

SRAM Corporation SRAM LLC is a privately owned bicycle component manufacturer based in Chicago, Illinois, United States, founded in 1987. SRAM is an acronym comprising the names of its founders, Scott, Ray, and Sam, (where Ray is the middle name of the company's ...

. Branded i-Motion are internally geared hubs, shift levers, and dynamo hubs. Related to the i-Motion series are also changeable free or fixed single speed hubs, hybrid epicyclic and derailleur gear hubs, and hydraulic disc brakes.SRAM product webpage
/ref> The i-Motion series of products were developed at SRAMs Schweinfurt R&D and manufacturing plant in Germany, formerly of Sachs.

Products

i-Motion 9 - This hub gear has nine speeds in percentage increments of 14,17,17...17,14, offering an overall range of 340%. The coaster-brake version weighs 2400 grams, while the non-brake integrated versions weigh just under 2000 grams. This product was discontinued in 2012, and replaced with the

SRAM G8 SRAM G8 is an internally geared hub for bicycles developed and manufactured by the American cycling component manufacturer SRAM Corporation. It entered production in 2013. Development Development of the product started in 2011, as a reaction to t ...

. i-Motion 3 - The 3 has similar gear ratios as the Shimano Nexus three speed hubs, 36% intervals and an overall range of 186%. Feb 17 2017 SRAM announced End of Life on i-Motion 3 Hubs: https://www.bicycleretailer.com/international/2017/02/15/sram-ends-sales-internal-gear-hubs#.X2Z27pNKh0s Feb 25 2019 SRAM announced a recall on i-3 Motion hubs (coaster brake version) due to braking issues: https://www.bicycling.com/news/a26521411/sram-recall-internal-gear-hubs/#:~:text=The%20company's%20i%2DMotion%203,resulting%20in%20a%20minor%20injury.

References

{{reflist Hub gears SRAM Corporation Products introduced in 2005