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e*thirteen

e*thirteen e*spec 104BCD chainring, Bosch Gen4

36.99 €
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From 29.01.2026 (Thursday) Check availability
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By courier to your home Express courier delivery GLS Express courier delivery DPD
Delivery method on Friday 30.01.2026
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Delivery method on Friday 30.01.2026
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Extended return option up to 100 days More info

The e*thirteen e*spec 104BCD spider is designed to accommodate 104BCD four-bolt chainrings on e-bikes with Bosch Gen4 motors and other compatible systems. Thanks to its precision machining from Series 6 alloy, it offers an optimal weight-to-stiffness ratio, while allowing for easy and environmentally friendly chainring replacement.

  • Forged and CNC machined alloy for low weight and high rigidity
  • Compatible with Bosch Gen4, Fazua Ride 60, Shimano EP8 and TQ HPR50 motors
  • Supports installation of both steel and aluminum 104BCD chainrings
  • The ideal solution for economical gear replacement on e-bikes
Product details
Groupset Other
product ID 268860
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e*thirteen
Accessories e*thirteen
The brand e*thirteen is recognized for its innovative approach to engineering and producing durable and reliable products. e*thirteen offers a diverse range of mountain bike components and accessories. Some of their most notable products include chain guides, chainrings, cassettes, bottom brackets, wheels, pedals, dropper seatposts, and other drivetrain and suspension components.
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