Best Tail Bags for Motorcycles: Expandable, Waterproof Storage for Riders

Finding the right tail bag can transform a ride from a quick trip to a well-organized journey. This guide highlights five reliable motorcycle tail bags that balance capacity, weather resistance, and ease of use. Best for daily commuters, weekend explorers, and touring riders, these selections emphasize durability, compatibility, and practical features to help you choose confidently.

Product Best For Capacity Key Feature
KEMIMOTO 22-34L Expandable Tail Bag Daily riders and weekend travelers 22-34 L Rain cover included, dual-use as bag or backpack
MOSISO 10L Waterproof Tail Bag Lightweight, casual rides 10 L Versatile as shoulder bag and handbag
Motorcycle Tail Bag (Tapered Style) Compact daily use Varies by model Waterproof and expandable options
Nelson Rigg CL-1060-S2 Reliable commuter riders Medium LIFETIME warranty, UltraMax fabric
KEMIMOTO 18-22L Sissy Bar Bag Touring and sport-touring riders 18-22 L Expandable for extra space

KEMIMOTO 22-34L Expandable Tail Bag

KEMIMOTO Motorcycle Tail Bag

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This expandable tail bag is designed for riders who want maximum capacity without sacrificing versatility. The 22-34 liter range makes it suitable for a weekend bag or helmet storage, and its universal dual-use design supports quick conversion to a handbag or backpack. Best for riders who frequently travel with gear and prefer a bag that can move between bike and street use.

  • Best for: riders needing flexible capacity and everyday utility
  • Why selected: expands to 34L and includes a rain cover for wet conditions
  • Caution: models without a rear rack may experience stability issues without proper mounting

MOSISO Motorcycle Tail Bag Waterproof 10L

MOSISO Tail Bag

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Designed for lightweight needs, this 10-liter bag is a practical option for short rides, errands, or daily commuting. Made from waterproof PU leather, it offers weather resistance and simple organization for essentials like a phone, wallet, cables, and maps. Best for riders who want a compact, water-resistant bag without extra bulk.

  • Best for: light luggage or daily errands
  • Why selected: versatile as a shoulder bag and handbag for off-bike use
  • Caution: 10L capacity may be tight for longer trips or helmet storage

Motorcycle Tail Bag – Tapered Style

Tapered Motorcycle Tail Bag

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A compact, tapered bag designed for practical daily use. While data is limited on capacity, its streamlined shape helps reduce wind resistance and fit behind sport bike seats. Best for riders who want a low-profile option with essential storage and weather resistance.

  • Best for: riders who prefer a discreet, low-profile bag
  • Why selected: focuses on daily commuting convenience
  • Caution: precise capacity is not specified; verify fit for your rack

Nelson Rigg CL-1060-S2 Black Commuter Tail Bag

Nelson Rigg CL-1060-S2 Tail Bag

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This commuter bag combines durable construction with a sleek, semi-rigid design that helps maintain shape while riding. The UltraMax fabric provides protection from sun fade and the elements. Four adjustable quick-release straps enable secure mounting on most tail sections. Best for riders who want a sturdy, low-maintenance option with longevity in mind.

  • Best for: daily commuters seeking reliability
  • Why selected: lifetime warranty signals confidence in build quality
  • Caution: semi-rigid walls help shape but may limit flexible packing

KEMIMOTO 18-22L Sissy Bar Bag

KEMIMOTO Sissy Bar Tail Bag

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This 18-22L expandable bag is built for touring and sport-touring setups, with compatibility for a wide range of models. It expands by up to 3 liters for extra gear when you need it. Best for riders who want a larger, expandable tail bag that still fits behind broader tail sections.

  • Best for: touring riders needing extra space on longer trips
  • Why selected: versatile expansion to accommodate extra essentials
  • Caution: not compatible with certain high-mount tailpipe or fully faired bikes

Buying Guide: How To Choose The Right Motorcycle Tail Bag

Key considerations help ensure the bag fits your bike, riding style, and packing needs:

  • Capacity vs. weight: Balance your typical load with the bag’s weight when empty. Think about daily use versus weekend trips.
  • Mounting system: Check compatibility with your tail section or sissy bar. Universal straps work for many models, but stable mounting matters for safety.
  • Weather resistance: A dedicated rain cover or waterproof material keeps belongings dry in rain or road spray.
  • Expandability: If you occasionally need extra space, choose a model with expandable capacity.
  • Durability: Look for reinforced seams, weatherproof fabrics, and robust closures to withstand road wear.
  • Versatility: Dual-use bags that convert to backpacks or shoulder bags add convenience for off-bike use.
  • Bike type compatibility: Some bags specify sportbikes, cruisers, touring bikes, or dual-sport models; verify compatibility with your motorcycle.

Frequently Asked Questions

  1. What size tail bag should I choose for daily commuting? A compact to mid-size 10-22 L bag often suffices for tools, a rain layer, and personal items.
  2. Can tail bags fit on bikes without a rear rack? Some models use universal straps, but a rear rack generally improves stability and load distribution.
  3. Are expandable tail bags worth it? Yes, if you need extra room for trips but want to keep a slimmer profile when not fully loaded.
  4. Is waterproofing necessary for tail bags? Water resistance is highly beneficial for protecting electronics, documents, and clothing during rain or splashes.
  5. Should I choose a semi-rigid or soft-sided tail bag? Semi-rigid bags hold shape and protect contents better, while soft-sided bags offer more flexible packing options.