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Bontrager BackRack S

Model 423543

Make your bike more versatile

Turn your bike into a pack mule with this sturdy, tubular aluminum rear rack. Designed to mount to the eyelets already built into your frame, the Back Rack S is fully compatible with Trek's Interchange line of accessories and fits road bikes under 54cm and hybrid or mountain bikes under 50cm.

Key features

  • Designed to fit mountain and hybrid bikes (18" and under) and road bikes (54cm and under) / also fits up to 2.1" 29er tires
  • Compatible with both Interchange and standard trunk bags
  • Compatible with Interchange, Interchange Transit, and traditional panniers
  • Taillight plate allows for mounting lights, reflectors, and the Flare belt clip
  • Single-bolt strut mounts allow maximum adjustment and easy installation
  • Extra-long tubular alloy struts allow full seat height adjustment on most frames
  • Disc version includes integrated spacer for clearance with most disc calipers
  • Flexible shipping options

    Ship your gear purchase to your home or receive free shipping when you send your order to a Trek retailer for pick-up. All bike purchases must ship to a Trek retailer, some of which offer home delivery.

  • Unconditional Bontrager Guarantee

    If for any reason you're not satisfied with your Bontrager gear, we'll take it back. Either ship it back to us or return to your Trek retailer within 30 days of purchase.

  • Warrantied for life

    All new Trek bikes come with Trek Care — the industry's best warranty and loyalty program. Register your bike and ride easy knowing we've got you covered.

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