Compare the listed rear-pannier and trunk-bag formats, product specifications, fit notes and catalog price snapshots for pannier or bike bag. Check the exact variant and your setup before ordering.
Riders who prioritize Capacity L: 40; confirm the listed fit against their setup.
Back Roller Pro Classic. Back Roller Pro Classic matches this profile through its listed Capacity L: 40.
Riders who prioritize Capacity L: 17.5; confirm the listed fit against their setup.
TrunkBag DXP. TrunkBag DXP matches this profile through its listed Capacity L: 17.5.
Riders whose bike fit or intended use is not covered by the published notes
It depends on your priorities. Check exact dimensions, mounting instructions and the selected variant with the manufacturer before choosing.
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| Detail | Back Roller Pro Classic | TrunkBag DXP |
|---|---|---|
| Category | Bags Panniers | Bags Panniers |
| Level | The catalog lists this as rear-pannier; it does not assign a rider skill level. | The catalog lists this as trunk-bag; it does not assign a rider skill level. |
| Key features | Capacity L: 40; Capacity Per Side: 20; Waterproof Rating: IPX4, PVC-coated 1000D nylon; Mounting System: QL2.1; Weight G: 900; Reflective: true; Rail Compatibility: 8-16mm tubular | Capacity L: 17.5; Waterproof Rating: Water-resistant synthetic leather, not fully waterproof; Mounting System: MTX QuickTrack; Weight G: 550; Reflective: true; Rail Compatibility: 8-16mm rails (MTX adapter) |
| What is included | The current catalog entry does not specify the package contents. | The current catalog entry does not specify the package contents. |
| Best for | Riders who prioritize Capacity L: 40; confirm the listed fit against their setup. | Riders who prioritize Capacity L: 17.5; confirm the listed fit against their setup. |
| Main drawback | The catalog gives a fit note, but it does not replace the manufacturer's compatibility instructions. | The catalog gives a fit note, but it does not replace the manufacturer's compatibility instructions. |
Specs and included items reflect the cited product listings; check the seller page for current package details.
| Aspect | Back Roller Pro Classic | TrunkBag DXP | Winner |
|---|---|---|---|
| Bag format | rear-pannier | trunk-bag | Depends |
| Capacity or layout | Capacity L: 40 | Capacity L: 17.5 | Depends |
| Material and weather detail | Waterproof rating: IPX4, PVC-coated 1000D nylon | Waterproof rating: Water-resistant synthetic leather, not fully waterproof | Depends |
| Rack and mounting fit | Fits standard rear racks with 8-16mm tubular rails. Per-side mounting provides stability. Most popular touring pannier globally. | Sits on top of rear rack. Quick-release allows off-bike conversion to daypack via shoulder straps. Not suitable for heavy touring. | Depends |
| Catalog price | $199.00 | $154.00 | Option B |
Back Roller Pro Classic is listed as a rear-pannier. The catalog lists Capacity L: 40; Capacity per side: 20.
TrunkBag DXP is listed as a trunk-bag. The catalog lists Capacity L: 17.5; Waterproof rating: Water-resistant synthetic leather, not fully waterproof.
Banjo Brothers Waterproof Pannier
A catalog-listed rear-pannier alternative at $64.99. Check its exact variant and fit notes before comparing it with Back Roller Pro Classic or TrunkBag DXP.
Ortlieb Back Roller Pro Classic is listed as rear-pannier, with 40. Topeak TrunkBag DXP is listed as trunk-bag, with 17.5. Choose between them by checking Match the attachment and stated capacity to your rack and load; confirm any missing weather or rack detail before buying. The catalog price snapshots are $199.00 and $154.00; offers can change. Confirm exact fit and package details on the product listing before buying. We did not test either product hands-on, so this reflects published information only and cannot establish comfort, durability or performance on every bike.
We compared the public listings and catalog fit notes; we did not test these products hands-on. Check the selected size and package against the current listing before buying.
Our sizing guides and category pages help you narrow the field.