BTR Bicycle Crossbar Frame Triangle Corner Bike Bag. Cycling Accessory

10 reviews
Same day shipping on orders placed Mon-Fri by 1pm

The BTR Frame Corner Bike Bag was created to provide discrete & secure storage on your bicycle & is a popular choice for cyclists who want to carry minimal gear & not have additional storage interfere with their performance!

Attach it to the generally unused area underneath the crossbar & seat stem & you have an instant 1 Litre capacity that doesn’t clutter up your handlebars

Ideal for road bikes or cyclists who like to travel light, this bike bag fits neatly under your top tube & attaches to your seat stem. Or, you could try fixing it to the handlebar stem instead?

Features :

  • Three Straps - to secure to your bike – don’t take any chances… Keeps it secure
  • Hook & Loop Fastenings – Easy to adjust & secure to your top tube & seat stem
  • Reflective Logo & Stripes – printed on the side. Be seen & be safe!
  • Easy to Clean Structured Shell - keeps its shape & dirt & dust wipes off easily
  • Tough tear resistant fabric– feels as soft as leather when you touch it
  • 1 x Zipped Opening – easy side access to your gear
  • 1 Litre Capacity- mini size but can fit in your essentials (will fit your Smartphone too!)
  • 2 x internal mesh pockets – helps organise your kit
  • Only 5 cms wide – fits neatly in the frame space & doesn’t get in your way whilst cycling


Sizing: Height :11.5cms at tallest point, Length: 28cms at longest point, Width: 5cms, 1 Litre Capacity

Don't weigh down your pockets & be unbalanced with keys, spare tyre levers, money, energy snacks & gels.  Store them in your BTR Corner Bicycle Bag for safe & secure discrete storage.

Great for touring, road bikes, triathlons or every day use!!

Delivery Information

FREE Postage -  Usually Receive within 2-5 Working Days.  



FREE UK Returns

We offer free returns within 28 days of purchase. (See Christmas Returns Below)

We offer Free Returns through Royal Mail. Please Contact Us to arrange your return


Christmas Returns

Anything purchased after November 1st 2022 for Christmas can be returned up until 23 January 2023



All items must be unused and still have the tags attached when they are returned to be eligible for this policy


BTR under frame triangle bike bag pannier on bicycleBTR Corner Frame Triangle Bike Bag pictured on a customer bicycleBTR bicycle phone bag and frame crossbar bag on adult bicycle




Customer Reviews
5.0 Based on 10 reviews
5 ★
4 ★
3 ★
2 ★
1 ★
Customer Photos
100reviewers would recommend this product Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
  • recipient
  • drink bottle
  • bar bike bag
  • puncture repair kit
  • pump
  • room
  • tubes
  • frame
  • plenty
  • phone
Andrew F.
United Kingdom United Kingdom
I recommend this product

Great cross bar storage

Good product efficiently delivered

Greg M.
United Kingdom United Kingdom
I recommend this product


Happy with the item

Dave S.
United Kingdom United Kingdom
I recommend this product

Great bag, great value

It’s all good. Also very good customer service. Delivery very prompt.

A BTR Direct Sports Customer
gary w.
United Kingdom United Kingdom

Fits the bike perfectly

}; trkArr.push(fn4);