ethirteen e*spec 104 BCD Spider
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ethirteen e*spec 104 BCD Spider
ethirteen e*spec 104 BCD Spider Info
e*spec 104 BCD Spider is a smart drivetrain upgrade for eMTB riders who want flexibility, efficiency, and long-term value from their chainring setup. Designed to deliver direct power transfer from modern eBike motor systems, this spider opens the door to the vast ecosystem of standard 4-bolt 104 BCD chainrings.
By allowing the use of readily available alloy or steel chainrings, the e*spec 104 BCD Spider makes replacements more cost-effective and sustainable over time. Its durable 6-series alloy construction strikes the right balance between strength and weight, ensuring reliable performance under the high torque loads typical of e-assist riding.
With broad compatibility across leading motor platforms, this spider is an ideal solution for riders who want to fine-tune gearing or simplify future drivetrain service without sacrificing performance.
e*spec 104 BCD Spider Specs at a Glance
- BCD: 104 BCD, 4-bolt standard.
- Compatibility: Bosch Gen4, Fazua Ride 60, Shimano EP8, and TQ HPR50 systems.
- Construction: 6-series alloy.
- Chainring Options: Compatible with standard alloy or steel 104 BCD chainrings.
Design Benefits
- Gearing Flexibility: Use widely available 104 BCD chainrings to tailor your setup.
- Cost-Effective Service: Replace only the chainring, not a proprietary system.
- eMTB-Ready Strength: Built to handle sustained torque from modern motor systems.
Final Take
The e*spec 104 BCD Spider is a practical, performance-focused upgrade for eMTB riders who value flexibility and durability. With broad motor compatibility and support for standard chainrings, it’s an efficient way to future-proof your drivetrain while keeping service simple.
