E*thirteen Helix R 12-speed cassette

Product Description The in a two-cluster design for mountain and gravel bikes This Helix R cassette from e*thirteen for gravel and MTB use is equipped with 12 sprockets distributed over two clusters. This makes it possible, in the event of earlier wear, to replace only the largest sprockets after heavy use. Guidelines for Replacing E-bike Components:Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance. Specifications:Application:Gravel, Cross Country, All Mountain, EnduroGearing:12-speedGradation(s):9-45 t, 9-50 t, 9-52 t, 13-52 tSprocket Material:steel (SCM445), aluminium (7075-T651)Freehub Compatibility:SRAM XDTechnical Information:Series:Helix RaceFeatures:12-speed cassette in two-cluster design for MTB and gravel"intergalactic" sprocket with twice as durable PVD finishsprockets 1 to 10 made of steel, sprockets 11 and 12 made of aluminium, optimised interface between the clusterstwo-piece design allows replacement of the aluminium sprocketssuitable for 12-speed drivetrains from Shimano or SRAMimproved shifting performancelarge gear range due to smallest sprocket with 9 teeth, making the use of smaller chainring possiblelightweight9-45 version primarily recommended for gravel13-52 version particularly suitable for alpine terrainModels:9-45: Gradation:9-11-13-15-17-19-22-25-28-32-38-45 tManufacturer Numbers:FW2HRA-100 (intergalactic), FW2HRA-101 (grey) 9-50: Gradation:9-11-13-15-17-20-23-27-31-36-42-50 tManufacturer Numbers:FW2HRA-102 (intergalactic), FW2HRA-103 (bronze), FW2HRA-104 (eggplant), FW2HRA-105 (naranja), FW2URA-112 (grey) 9-52: Gradation:9-11-13-15-17-20-23-27-31-36-43-52 tManufacturer Numbers:FW2HRA-118 (intergalactic), FW2HRA-119 (bronze), FW2HRA-120 (eggplant), FW2HRA-121 (naranja), FW2URA-122 (grey), FW2HRA-123 (black) 13-52: Gradation:13-15-17-19-22-25-28-32-36-40-45-52 tManufacturer Numbers:FW2HRA-111 (intergalactic), FW2HRA-108 (bronze), FW2HRA-109 (eggplant), FW2HRA-112 (naranja), FW2URA-110 (grey), FW2HRA-124 (black)Contents:1 x Weight: grey | 9-45: 310 g Manufacturer: Perigeum Development Inc. DBA e*thirteen 1445 Technology Lane STE A9 Petaluma CA 94954 USA support@ethirteen.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de