Box Four Ebike Lockring & Cogs - Box®
Box Four Ebike Lockring & Cogs - Box®
Box Four Ebike Lockring & Cogs - Box®
Box Four Ebike Lockring & Cogs - Box®

Box Four E-Bike Lockring & Cogs 12T, 14T, 16T, 18T black

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Lockring & Cogs replacement for Box Four Ebike cassettes


    12T, 14T, 16T, 18T

    Box Four 8S Ebike Cassettes

    SKUBX-CS4-08A1218-BK

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    IS PRIME 9 SIMPLER?

    • Same Range With Fewer Gears
    • Ease of Set-up
    • Wide Compatibility
    • Less Maintenance
    • Don’t Worry, All Bike Shops Are Familiar With 9 Speed Platforms!
             

    IS PRIME 9 MORE DURABLE?​

    • Straighter Chain-line       
    • Unique 9 Speed Chain          ◦
    • ​Single Shift Option (E-MTB)         
    • ​Fewer Gears (fewer shifts)         
    • ​Full Steel Cassette (all tiers)

    DOES PRIME 9 PERFORM BETTER?

    • Shifting Less Means Faster Riding
    • Optimized Shift Ramps
    • Consistent Gear Jumps
    • Lightweight Cassette
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