Topeak MidLoader 4.5L vs Topeak MidLoader 6L
Two frame bags, measured against each other on the figures that decide whether they work on a bike.
The short answer
The MidLoader 4.5L takes weight and price; the MidLoader 6L takes capacity. Which of those you care about depends on the frame you are fitting it to.
Assembled from the differences below rather than written over them. Every figure is a published measurement or computed from one — nobody here has used either one.
Where they differ
3 of the 4 things we can measure come out differently.
Capacity
1.5L more in the MidLoader 6LThe maker's own figure. Worth reading alongside the dimensions below rather than on its own — two bags of the same litreage can want very different frames.
Weight
142g lighter on the MidLoader 4.5LEmpty weight as published. Worth holding against capacity rather than alone — the lighter bag is not the better one if it carries a third less.
Price
$15 between themManufacturer's price as we hold it.
Side by side
Including the rows where they are level.
| Topeak MidLoader 4.5L | Topeak MidLoader 6L | |
|---|---|---|
| Capacity | 4.5L | 6L |
| Weight | 195g | 337g |
| Price | $78 | $93 |
| Per litre | $17.33 | $15.50 |