Bio ChainBrite Chain Cleaner

Bio ChainBrite Chain Cleaner

Regular price$34.99
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UPC / SKU
UPC
763477000972
SKU
CB-4
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Bio ChainBrite Chain Cleaner $34.99
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Park Tool CB-4 is a 100% biodegradable, natural, plant-based degreaser formulated for use in the CM-5.3 Cyclone Chain Scrubber, CM-25 Professional Chain Scrubber, or with a scrubbing brush as a general purpose degreaser. When used with a chain cleaner, CB-4 gets bicycle chains clean inside and out so they're good as new. Will not harm alloy, plastic, rubber, or carbon fiber parts, so it's safe to use for cleaning cassettes, chainrings, pulleys, or any other component that accumulates muck and grime. Use CB-4 full strength, do not dilute with water. Cover parts in solvent and scrub using a brush Won't harm alloy, plastic or rubber parts

Bike shipping: $100 for non-electric bikes; $250 for e-bikes.

Higher rates apply to certain long-distance destinations, including Newfoundland and Labrador. Additional charges may apply to remote or rural locations and oversized or overweight items.

Free standard shipping on eligible orders over $150, excluding bikes and e-bikes.

Your shipping charge is shown at checkout before you place your order.

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  • Request deadline: Within 7 days of receiving your bike or 14 days of receiving other items.
  • Condition: Brand-new, never used, and in original packaging. Bikes must be never ridden.
  • Final sale: Sale and special-order items cannot be returned or exchanged. A discount code on a regular-price item does not make it final sale.
  • Return deadline: Approved items must reach us within 7 days of approval.
  • Processing fee: 5% of the amount paid for returned items, excluding taxes and shipping, is deducted from your refund—even for returns brought to a store.
  • Shipping: You pay return shipping or may bring approved returns to either store. Original delivery charges are non-refundable.
  • Start a return: Submit our Online Orders Support form and wait for approval before returning anything.

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For answers to frequently asked questions, visit our FAQ page.

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