RoyalBaby Space No. 1 Aluminum 18-inch Kids' Bike

by Royalbaby
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ITEM# 17345240
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ITEM#: 17345240

The RoyalBaby Space No. 1 bike features and design created with the needs of children in mind. This bike includes all the tools necessary to assemble it, so that your child can hit the sidewalk in no time.

  • Frame/Fork: Hydroformed Aluminum frame and BMX TIG welded steel fork with leading edge dropouts
  • Wheels/Tires: Steel 28 hole rims with wide 2.4-inch rubber knobby tires and custom RoyalBaby tread
  • Drivetrain: Enclosed chainguard, non-slip resin pedal with reflector and one piece crank
  • Brakes: Front caliper brake and rear coaster brake with special kid-sized brake lever
  • Cockpit: Kraton soft rubber grips and special juvenile saddle with quick-release seat post clamp
  • Extras: BPA free water bottle and cage, bell, assembly tools and heavy duty training wheels


Type Training Wheels
Bike Size 18-inch
Gears 1
Gender Boys
Dimensions 49 inches long x 26 inches wide x 35 inches high
Warranty Limited Lifetime
Model Number RB18-17
Country of Origin China

Product Reviews

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  • Most Recent

  • light weight, easy to put together, quality ride
    Verified Purchase

    These bikes are perfect. Really light weight and the kids picked their own color. they were not bothered by the name "Baby" on the bike

    Read More
    Jennifer S. May 27, 2017

Questions & Answers

  • Q:

    "How much does this weigh? What are the dimensions, and what's the min and max seat height?"

    • A:

      Hello Twinmom, the overall dimensions of the bike are approximately 49 inches long x 26 inches wide x 35 inches high. The minimum seat height is approximately 22.5 inches high and the maximum seat height is approximately 27.5 inches high. The bike weighs approximately 24 pounds. I hope this info helps. Thanks for shopping with us!

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Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.