e*spec Aluminum Direct Mount Chainring for Bosch CX Gen4
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e*spec Direct Mount Chainrings use e*thirteen's M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. These lightweight and well-designed chainrings are adapted to work with Bosch Gen4 eBike motor configurations.
53mm Boost chainline
7050 Aluminum
The M3 dual width tooth profile eliminates chain noise, and decreases overall system wear
Specifications
Chainline/Hub Compatibility
141/148 Boost Hubs
Chainring Position
Chain Retaining Single Ring
Color
Black
Designed for ebike
Yes
Direct Mount Type
Direct Mount Bosch Gen 4
Intended Use
E-Bike, Mountain
Material
Aluminum
Tooth Count
34, 36, 38
Black - 34 UPC
4710751506718
Black - 34 MPN
CR4UPA-100
Black - 36 UPC
4710751506725
Black - 36 MPN
CR4UPA-101
Tree Fort ID:
333222443462
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