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Durable axle-mounted rack fit kit designed to add secure rack compatibility to bikes without eyelets, increasing load capacity and protecting your frame.
Durable axle-mounted rack fit kit designed to add secure rack compatibility to bikes without eyelets, increasing load capacity and protecting your frame.
Old Man Mountain

Old Man Mountain Rear Fit Kit in Black

£80.00
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Old Man Mountain Rear Fit Kit in Black

Season:All Year Round

Brand:Old Man Mountain

Code:RAOMFK8BLK

The Old Man Mountain Axle Mounted Fit Kit is a proven solution for fitting racks to bikes without traditional mounting points. Designed to improve both versatility and durability, it transfers load from vulnerable frame eyelets to a robust axle-mounted system. This not only protects your bike but also increases carrying capacity, making it ideal for touring, commuting and bikepacking. With the ability to quickly swap between bikes or mounting positions, it offers a flexible and reliable setup for riders who need dependable cargo support.

Features:
  • Axle-mounted design: Allows rack installation on bikes without standard eyelets
  • Frame protection: Reduces stress on frame mounts by relocating load to the axle
  • Higher load capacity: Supports up to 70lbs (33kg) with compatible racks
  • Multi-bike compatibility: Easily transfer racks between different bikes
  • Flexible mounting options: Suitable for both front and rear rack configurations
Specification:
  • Mount type: Axle-mounted rack system
  • Maximum load: 70lbs (33kg)
  • Compatibility: Bikes without rack eyelets
  • Application: Touring, commuting and bikepacking

If you are unsure which axle you need click here to use the axle finder (opens in new window)
Technical Information
  • Compatibility
    12 mm thru axle, Old Man Mountain bike racks
  • Thru axle
    12 x 164-167mm with 1.75 mm thread pitch
  • Included components
    Pair of mounting pucks, clear protective tape, zip ties, mounting hardware
  • Manufacturer
    The Robert Axle Project
Sizing Information

How to choose between Pucks and a Seatpost Mount?

  • Pucks are designed to work on any bike, and must be used if your frame has any of the following:
    • Rear suspension of any kind, including Cannondale’s Kingpin system
    • A high degree of flex built into the seat tube or seatpost (like Trek’s IsoSpeed or Specialized STR)
    • Less than an inch of exposed, unobstructed seatpost visible
  • The Seatpost Mount is an alternative to our Puck system for riders who would prefer to attach the Extenders of their racks to the seatpost, either for mechanical or aesthetic purposes.

Note: On tall frames, the Seatpost Mount may be too high for the extenders to reach without the deck of the rack getting in the way. See the examples below:

Seatpost Mount on a small frame

Seatpost Mount on a small frame.

Seatpost Mount on a size 58cm Santa Cruz Stigmata

Seatpost Mount on a size 58cm Santa Cruz Stigmata


What Are Pucks?

Pucks are our super-secure universal-fit upper attachment points for bikes that don’t have rack mounting eyelets. They use frame tape and heavy duty zip ties to secure to the tubes of your frame. Pucks are designed to be safe for all frame materials including carbon fibre.

Pucks are strong, lightweight and simple solutions that may be left on the bike even when the rack is not in use.

Puck Evolution diagram Eyelet Highlights

What is a seatpost mount?

The Seatpost Mount is a collar that attaches to your seatpost and provides two eyelets for you to attach the Extenders of your rack to your bike. The Seatpost Mount is made to use with round seatposts from 27.2mm to 34.9mm in diameter. It works with all round seatposts, including carbon and dropper seatposts.

Seatpost Mount illustration 1 Seatpost Mount illustration 2 Seatpost Mount illustration 3
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