Shop by Store

Shop by Category




By Brand







Tires Tubes and Wheels


Some of our Stores:

Accessories News:

USA Cycling Adds Lake Superior College as Emerging Varsity Program

Lake Superior College, located in Duluth, MN, is adding collegiate cycling to their athletics program. Duluth is recognized by the International Mountain Bicycling Association with a Gold-Level Ride Center designation....

Omnium titles decided on muddy final day of Collegiate MTB Nationals in Montana

The third and final day of the 2017 Collegiate MTB National Championships was held Sunday with the varsity short track cross country races and team relays....

Ten more titles awarded on day two of Collegiate MTB Nationals

Mother Nature forced a shuffling of the schedule but at the end of the day, 10 more national champions were crowned in three different disciplines....

2017 Collegiate MTB Nationals Saturday Afternoon and Evening Schedule Changes


Collegiate MTB Nationals get underway in Montana

Cross country and dual slalom races highlight opening day....

Marian University, US Military Academy Defend Team Omnium Titles in Indianapolis

Both schools successfully defended their respective varsity and club omnium championships in Indy....

Inertia Designs Bikewagon Tri-Box Duo Pro Bike Bag Large - BW-BAGS8918 - Accessories sku

Inertia Designs Bikewagon Tri-Box Duo Pro Bike Bag Large - BW-BAGS8918 by Inertia Designs

Item description: This Accessories Bags & Baskets product is by Inertia Designs - The Tri-Box Duo Pro features a double compartment setup that sits below the top tube for use when greater capacity is needed. It can be used alone or with the other two Pro Boxes.Great for stowing your personal items and for quick access to phone and power barsFeatures Bikewagon logo on sidesOuter fabric: Cordura/DPLined with 14-oz truck tarp for flexible stability and easy cleaningDurable nylon mesh "lids" secure boxes with hook-and-loop closureMesh "bridge" securely connects boxes together and serves as holder over bicycle partVolume: 56 c.i.Attachment: 3-point hook-and-loopSize: LargeDimensions: 5 x 1.5 x 3.75 inches (times 2)Color: Black with Red/White Bikewagon logo embroidered on sideWeight: 4 oz / 95gNew... Learn More

Manufacturer: Inertia Designs

Keywords: Frame Bags

Store: Bikewagon is one of the biggest bike retailers on the Web, with tens of thousands of current-line and clearance bikes, bike parts, and accessories for sale. Whether customers are new to cycling, just want to fix up an old bike, or are seasoned enthusiasts, Bikewagon has the friendly service, amazing prices, and helpful content to take the intimidation out of shopping for bikes and gear.

Category: Bags & Baskets


See the Price of Inertia Designs Bikewagon Tri-Box Duo Pro Bike Bag Large

You may also consider:

  Inertia Designs Bikewagon Mini Cargo Wedge Bike Saddle Bag 32c.i.
The Mini Cargo Wedge has a rear zipper hatch for easy access.Perfect storage for those unpredictable emergency needsIncludes two internal pockets for tire levers and changeFeatures exterior Scotchlite Reflective band that doubles as a flasher loop on zippered door Features Bikewagon logo on zippered doorOuter fabric: CorduraLined with 14-oz truck tarp for flexible stability and easy cleaningVolume: 32 c.i.Attachment: 3-point hook-and-loopSize: SmallDimensions: 6 x 3.5 x 3.5 inchesColor: Black wi ...See The Price
  Bikewagon Inertia Designs Trunk/Rack Bag 582c.i.
The Bikewagon rack bag is perfect for commuting, weekend picnics or long range tours. It is made for durability and features a top handle, a back pocket and "D" rings for shoulder straps (not included).Back pocket with reflective stripTop handleFabric: Cordura.Volume: 16oz / 582c.i.Size: 12 x 6.5 x 8 inchesColor: Black with Bikewagon logoWeight: 293gNew ...See The Price
  Bikewagon Satchel Pannier 1248 c.i.
Designed for those who live by the motto--"keep it simple," this great commuter bag can be used single-sidedor in pairs; and it will fit a grocery bag perfectly. But why bother? Just pull the bag off your rack and use the two handles to load up at the farmers market.Ideal for shopping, commuting to work, delivering goodsLike the other Metros, the bottom of the bag is solidly supported by internal "load straps" to hold heavy loads with ease, while a front stabilizer bar keeps loads in check both ...See The Price