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High-security meets chain flexibility

The Evolution Series 4 Integrated Chain offers convenient bicycle protection in moderate to high crime areas, with the portability and flexibility of a protected chain.

Product details

  1. 10mm six-sided chain links are made of 3t manganese steel
  2. Disc-style cylinder and hardened deadbolt sends the right message to thieves
  3. Patent-pending, pinless link design secures chain to a hardened deadbolt
  4. Lock includes a multi-position carrying bracket and three stainless keys, one with a high-intensity LED
  5. Lifetime Warranty, Key Safe, Free Key # Registration & ATPO

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Size 10mm x 55cm (21") 10mm x 90cm (35.5") 10mm x 160cm (63")
Weight 2kg 2.77kg 4.4kg
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

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