Picked for one job

The best narrow roof box beside a bike rack

Top pick

SportRack Horizon Alpine

SportRack Horizon Alpine

SportRack Horizon Alpine, the narrowest at 21 inches, offers the best mathematical chance of fitting another carrier next to it.

Why it suits this job

  • Capacity is 11 cubic feet.
  • Gear up to 210 centimeters long fits.
The catch
Its narrow 11-cubic-foot interior rules it out as a family luggage box.
Go with INNO Ridge Cargo Box if
what decides it for you is leaving room for a bike rack
More reasons we picked it
  • It opens on the passenger side.
  • Published exterior dimensions are 88.75 x 21 x 15.75 inches.

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At 21 inches, SportRack Horizon Alpine is the narrowest, which gives it the best mathematical chance of leaving space for another carrier beside it.

Guide updated , Product data updated , Amazon.com / United States

By the numbers

What the data shows

What we found across the roof cargo boxes we compare, plus the checked facts behind each finding.

How many fit

Only 8 of the 26 models checked meet every need here: “Space for a bike rack is needed”.

8 models fit, out of 26 checked

Worth knowing

SportRack Horizon Alpine lists 11 cu ft for listed cargo volume, 31% below the 16 cu ft median.

SportRack Horizon Alpine
11 cu ft
Typical (median)
16 cu ft
Models with this figure
20 of 26
Show the facts and the math
Models in the comparison
26 models
Sources
3 covering these models
Product data updated

How we countedThe count uses each product's current fit ratings for “Space for a bike rack is needed”. A need with no documented match is not counted.

How we calculatedFigures are the published exterior-category volume. Shape, mounting hardware and long gear can leave less room to pack. The median draws on the 20 of 26 models that publish comparable figures.

The facts and sources behind each product in this recommendation
ProductNeeds it meetsFacts we checkedSources
SportRack Horizon Alpine
  • Leave room for a bike
  • Capacity is 11 cubic feet.
  • Gear up to 210 centimeters long fits.
  • It opens on the passenger side.
INNO Ridge Cargo Box
  • Leave room for a bike
  • Capacity is 8 cubic feet.
  • It opens on the passenger side.
  • Published exterior dimensions are 55.1 x 27.6 x 13.4 inches.
INNO Wedge 660 Black
  • Leave room for a bike
  • Capacity is 11 cubic feet.
  • It opens from both sides.
  • Published exterior dimensions are 80 x 33 x 11 inches.

Decision guide

How to choose for this job

SportRack Horizon Alpine, the narrowest at 21 inches, offers the best mathematical chance of fitting another carrier next to it.

01

What settles the choice

It holds 11 cubic feet. With a narrow 11-cubic-foot interior, it is no family luggage box.

02

What puts SportRack Horizon Alpine ahead

You get 11 cubic feet, and gear up to 210 centimeters long fits inside.

03

When another box is the better fit

INNO Ridge Cargo Box is the one to choose if leaving room for a bike rack is the deciding need. INNO Wedge 660 Black is likewise the choice when leaving room for a bike rack decides it.

Check these before you buy

  • Approval in the vehicle fit guide
  • Crossbar spacing
  • Room at the hatch
  • Longest gear inside
  • Load limits for roof and crossbars

What this page can’t tell you

  • Vehicle compatibility cannot be certified by this screen.
  • A published volume figure cannot promise that a given suitcase layout will fit.
  • Roof limits depend on the vehicle configuration.

3 options

The top pick and the alternatives

01
SportRack Horizon Alpine

SportRack, Horizon Alpine SR7011

SportRack Horizon Alpine

Gear up to 210 centimeters long fits in its 11 cubic feet.

Top pick ifcarry skis with the seats up and stay under a light roof-load limit

Key facts

  • Capacity is 11 cubic feet.
  • Gear up to 210 centimeters long fits.

The catch

Its narrow 11-cubic-foot interior rules it out as a family luggage box.

02
INNO Ridge Cargo Box

INNO, BRA240BK

INNO Ridge Cargo Box

It holds 8 cubic feet and opens on the passenger side.

Pick this instead ifwhat decides it for you is leaving room for a bike rack

Key facts

  • Capacity is 8 cubic feet.
  • It opens on the passenger side.

The catch

For a family's packing list, eight cubic feet is too little.

03
INNO Wedge 660 Black

INNO, BRM660BK

INNO Wedge 660 Black

It offers 11 cubic feet and opens from both sides.

Pick this instead ifyour deciding need is leaving room for a bike rack

Key facts

  • Capacity is 11 cubic feet.
  • It opens from both sides.

The catch

Ordinary suitcases will not fit with only 8.25 inches of internal height.

Ready to buy

See today’s price and what owners say

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