Browsing Cassettes, Freewheels, Cogs

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DMR Cogs & Singlespeed Conversions
E*thirteen Cassettes
E*thirteen Helix Race Close Ratio 12sp Cassette
  • Work flawlessly with Shimano, SRAM, and TRP 12sp shifters, regardless of different cog spacing and chain behavior
  • Improved reliability of a steel and aluminum assembly
  • The Intergalactic PVD finishing is twice as durable as anodized models
  • Designed for steep terrain where climbing time and shift frequency is high and descents are gravity driven, allowing optimized cadence and torque for more efficiency during climbs with smoother shifts under load for both analog and ebikes
  • 13-52t range compliments speed limited e-bikes where the highest gear, paired with a 32t chainring and 85rpm cadence, delivers speeds around 20mph, where e-bike motors cut off
  • Special note for Hope hub owners: Hope XD drivers do not adhere to SRAM XD specification and require an additional shim. Shims can be acquired from E*Thirteen
 
item # model freehub type speed range cogs color weight in stock?
  EV7480 Helix Race Close Ratio XD 12 13-52 13,15,17,19,22,25,28,32,36,40,45,52 Intergalactic 467g YES
  EV7481 Helix Race Close Ratio XD 12 13-52 13,15,17,19,22,25,28,32,36,40,45,52 bronze 467g YES
  EV7482 Helix Race Close Ratio XD 12 13-52 13,15,17,19,22,25,28,32,36,40,45,52 eggplant 467g YES
  EV7483 Helix Race Close Ratio XD 12 13-52 13,15,17,19,22,25,28,32,36,40,45,52 naranja 467g YES
  EV7484 Helix Race Close Ratio XD 12 13-52 13,15,17,19,22,25,28,32,36,40,45,52 gray 467g YES
Endless Bike Cogs & Singlespeed Conversions
Gusset Cogs & Singlespeed Conversions