LEOSEEK / FIRST GENERATION

The original spider power meter.

Three road-oriented spider configurations cover SRAM 8-bolt, SRAM 3-bolt, and Easton crank interfaces. Explore the specifications and select the right mount for your build.

Ask about compatibility

The three models have different crank interfaces. Confirm the crank, chainring, and supplied configuration before ordering.

English LEOSEEK first-generation product overview showing the EPM010, EPM020, and EPM030 spider power meters

±1.5%Claimed power accuracy

300 hClaimed battery life

105 ± 5 gClaimed weight

IP67Protection rating

PRODUCT INFORMATION

First-generation details in English.

From interface selection through performance and charging, the supplied product information is arranged in a useful buying order. Images are shown in full on desktop and mobile.

The original road spider. The first-generation range is specified at ±1.5% power accuracy, up to 300 hours of battery life, and a 44.5 mm chainline in the supplied product materials. — 01
**The original road spider**
The first-generation range is specified at ±1.5% power accuracy, up to 300 hours of battery life, and a 44.5 mm chainline in the supplied product materials.

Select your crank interface. EPM010 uses a SRAM 8-bolt interface, EPM020 a SRAM 3-bolt interface, and EPM030 an Easton interface. Each is shown with 110 BCD chainrings. — 02
**Select your crank interface**
EPM010 uses a SRAM 8-bolt interface, EPM020 a SRAM 3-bolt interface, and EPM030 an Easton interface. Each is shown with 110 BCD chainrings.

Power measurement. The manufacturer describes a six-axis sensor, eight strain gauges, and dynamic temperature compensation for a claimed ±1.5% accuracy. — 03
**Power measurement**
The manufacturer describes a six-axis sensor, eight strain gauges, and dynamic temperature compensation for a claimed ±1.5% accuracy.

ANT+ and Bluetooth. Transmit ride data to compatible cycling computers, phones, and training apps. Check the receiving device and app requirements before pairing. — 04
**ANT+ and Bluetooth**
Transmit ride data to compatible cycling computers, phones, and training apps. Check the receiving device and app requirements before pairing.

USB-C charging. A protected USB-C port is shown in the manufacturer imagery for convenient charging. — 05
**USB-C charging**
A protected USB-C port is shown in the manufacturer imagery for convenient charging.

Up to 300 hours. The first-generation product materials claim up to 300 hours from a 360 mAh dual-battery design. — 06
**Up to 300 hours**
The first-generation product materials claim up to 300 hours from a 360 mAh dual-battery design.

IP67 protection. Designed for wet and muddy riding conditions. Follow the manufacturer's care and charging instructions. — 07
**IP67 protection**
Designed for wet and muddy riding conditions. Follow the manufacturer's care and charging instructions.

Technical specifications. Manufacturer-stated specifications include 105 ± 5 g, 0–2,000 W measurement range, power, cadence, left/right balance, ANT+, Bluetooth, and IP67. — 08
**Technical specifications**
Manufacturer-stated specifications include 105 ± 5 g, 0–2,000 W measurement range, power, cadence, left/right balance, ANT+, Bluetooth, and IP67.

The Shimano logo in the supplied overview refers to chainring compatibility in suitable assemblies. These first-generation spiders are not direct replacements for original Shimano road crank spiders. Confirm the exact crank interface and chainring fit before ordering. Specifications are manufacturer-supplied reference information.

TRADE INQUIRY

Find the right interface.

Tell us the crank model, spider mounting pattern, chainring standard, quantity, and destination so we can confirm the matching EPM010, EPM020, or EPM030 configuration.

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