E*thirteen Helix Plus Cassette - 12-Speed 9-50t 602042027 Handmade from a genuine impact

Handmade from a genuine impact driver: The Train Horn Guns are made from an original impact tools

Pulley 28x20 Sliding Roller Weights are designed to provide smoother acceleration and enhance variator performance

The Ohaus PX523 Analytical Balance is a high-performance balance designed for essential weighing applications in laboratory

high-end look without the high-end price for a range hood

A 20 hour battery in GPS mode

E*thirteen Helix Plus Cassette - 12-Speed 9-50t 602042027 Handmade from a genuine impactHelix Plus 12 Speed 9 50T cassettes are a drivetrain upgrade on a budget for analog and e bikes alike. Engineered to deliver Helix shifting precision, and cross compatibility with all SRAM and Shimano 12 speed drivetrains, the Helix Plus is also e*spec rated to withstand the rigors of e MTB. e*thirteen's exclusive 9 tooth highest gear cog, provides a 556% gear range, and lets you step down one chainring size, while keeping the same top end gearing,