e*thirteen Extended Range Cog
e*thirteen Extended Range Cog
e*thirteen Extended Range Cog
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Load image into Gallery viewer, e*thirteen Extended Range Cog
Load image into Gallery viewer, e*thirteen Extended Range Cog

e*thirteen Extended Range Cog

FW10.ER-10SHIM.40.B
Starting at
$69.95
$69.95

Make your move to 1X and crush the steepest climbs with the EX cog.

Shifts stay crisp thanks to e*thirteen shift know-how and the anodized aluminum resists flex under heavy power. Pair with a dual width Guidering M and you are ready to go.

Shipping calculated at checkout.

Product Spec

Color
Black, Red, or Blue
Compatibility
SRAM™ or Shimano™
Material
CNC-machined 7075 Aluminum
Teeth
40T, or 42T
Weight
40T: 70g

42T: 77g

Tech Info

How-to install
HOW TO INSTALL YOUR EX COG

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase

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