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Box
Box Two Prime 9 Chain XPT Zinc
Best for
race-focused BMX riders
Race class
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Product Details
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Fit & Geometry
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Availability
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Before Ordering
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Preorder terms
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Fit & geometry
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Race class
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Rider height
Top tube
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Wheel size
Material
Skill level
developing BMX racers
Setup context
Race-ready checks
Crank length
Gear ratio
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Brake type
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Pedal setup
Confirm included pedal/clipless preference
Track recommendation
Best for club racing and skill progression.
Next step
Still unsure?
Recommended upgrades
Complete the race setup
Gearing
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Contact points
Review pedals, grips, and saddle setup for gate-start confidence.
Protection
Pair the build with race helmet, gloves, and body protection.
Product info
About This Product
The Box Two Zinc Extended Performance Treatment (XPT) Chain takes Prime 9 durability a step further with a zinc-based treatment that delivers up to 14 times greater corrosion resistance than standard nickel plating—ideal for wet, muddy, or high-salt conditions. Like all Prime 9 chains, it features chamfered shifting edges, solid plates, and solid pins for long-lasting strength, along with our unique inner link spacing designed to pair perfectly with wide/narrow chainrings. This variant makes the trusted simplicity of 9-speed even tougher, extending the life of your drivetrain without adding complexity. SUPPORT MATERIAL Prime 9 Technology™ View Prime 9 Drivetrain Compatibility Manual How is the Ebike variant different? View Prime 9 Comparison Chart View Prime 9 E-Bike Comparison Chart Why Prime 9?
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THIS ITEM
Box Two Prime 9 Chain XPT Zinc
COMBINED TOTAL
Rp 8.602.319
Preorder each separately via WhatsApp for bundle deals
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Box Two Prime 9 Chain XPT Zinc
Rp 454.589
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