Avantum Brands SL imports Old Man Mountain racks to the EU since 2005. We ship all over Europe.
Avantum Brands SL

Here you can see how to install the Pizza Rack

This rack is eyelet-mount ready out of the box. If your bike does not have upper and lower eyelets, we offer a full-line of Fit Kits for thru axles or QR skewers.
Load capacity of the rack ia 15.8 kgs.

Tools you will need:

  • 4mm hex
  • Torque wrench
  • 10mm box wrench
  • Anti-seize (preferred) or grease

For the fit kit you will also need:

  • pliers or third hand tool
  • cable cutters or nail clippers
  • 5mm hex (for rear Fit kits)
  • 6mm hex (for front Fit kits)

Don’t forget to apply anti-seize (preferred) or grease to all bolts. This will prevent the bolts from seizing and making it hard to remove the bolts down later on. We do use Nyloc nuts where needed to prevent bolts from loosening on their own.


STEP 1: Assemble the rack


- While the uprights of the Pizza Rack look identical they are left and right specific. Look at the top of the upright tube and you’ll see a vent hole on one side of the tube. These vent holes face inward with the flat part of the upright facing the back of the deck.

Pizza Rack install

-Notice how the upright has the vent hole facing inward and the flat part of the upright facing the back of the deck.

Pizza Rack install

- Use Hardware Kit 8 to attach the uprights to the inside of the threaded barrels on the deck.

Note:

1. The bolts come with Loctite 242 already applied. If installing the bolts for a second time you will need to reapply Loctite 242 or grease.

STEP 2: Attach the rack to your bike

Stop for a second and go to the section for HOW you will be installing the rack, to eyelets (2.1) or to the thru-axle (2.2) or with a standard QR skewer (2.3).

    2.1 TO BIKE'S EYELETS

Place the provided 19mm spacer from Hardware Kit 10 (or C) between the uprights’ mounting holes and your frame or fork eyelets. THESE SPACERS ARE REQUIRED FOR EYELET MOUNTING. They protect your frame and strengthen the connection between the bolt and rack.

Old Man Mountain Pizza installation instructions

(19mm Spacer Placement for Eyelet Installation)

- Attach the rack to your frame or fork eyelets using the bolts in Hardware Kit 10 (or C). Don’t forget to apply anti-seize (preferred) or grease to all bolts.

Note:

1. If your bike does not have lower eyelets, we offer Fit Kits to mount your rack via thru axle or quick release.

2. The bolts come with Loctite 242 already applied. If installing the bolts for a second time you will need to reapply Loctite 242 or grease.

    2.2 TO BIKE'S AXLE

- Remove your bike’s stock thru axle.
Setup your thru axle to match your stock thru axle:
- Compare your stock thru axle to the Robert Axle Project thru axle provided in your Fit Kit to verify they match. The axles’ thread pitch should match (Image J) and the shaft length should be within +/- 2 mm. Use enclosed spacers as needed to match the length and taper of your stock axle. See Image K.

Image J

Old Man Mountain Pizza Rack installation instructions

Image K

Old Man Mountain Pizza Rack installation instructions

- Apply grease to the shaft and threads of the Old Man Mountain axle and insert into your bike. For front axles use a 6mm hex key and torque to 10nm.

Pizza Rack install

FRIENDLY REMINDER: Be sure to always keep your hex tools aligned with the hex broach. Inserting and torquing tools at an angle can damage tools and parts.

- Attach your rack to the axle. The side of the axle with the hex will use a 30mm bolt and lock washer from Hardware Kit 10 (or C). The other side will use a 20mm bolt and lock washer from Hardware Kit 4. The slots on the uprights should face the center of the bike. Don’t forget to apply anti-seize (preferred) or grease to all bolts.

Note:

The bolts come with Loctite 242 already applied. If installing the bolts for a second time you will need to reapply Loctite 242 or grease.

    2.3 TO QR SKEWER

- Remove your stock skewer from your bike, keeping your wheel in place.
- Place your OMM rack on your bike and install the OMM QR Skewer through the rack Dropouts and your hub.The slots on the uprights should face the center of the bike. Don’t forget to apply anti-seize (preferred) or grease to all bolts.
- Check that your bike and rack are level, and snug up the QR.


STEP 3: Attach the extenders

Stop for a second and go to the section for HOW you will ATTACH the extenders to your bike, to eyelets (3.1) or using the Fit Kit pucks (3.2).

     3.1 TO BIKE'S EYELETS

- Attach the Extenders to the upper eyelets on your bike’s fork using Hardware Kit 5. On some bikes, bending the Extenders is necessary to properly line up the extenders with the eyelets and/or the inside of the rack’s crossbars. Don’t forget to apply anti-seize (preferred) or grease to all bolts.

Note:

PRO TIP: If bending the Extenders, we like to wrap them in a paper towel to protect the finish, and bend them in a vise to get nice, clean bends. If you don’t have a vice, your hands can also get the job done.

- Use Hardware Kit 2 to attach the slotted end of the Extenders to the inside of the crossbars on the uprights. Snug them up, but do not torque them yet. Don’t forget to apply anti-seize (preferred) or grease to all bolts.

Note:

Uprights should only be attached to the slots on the uprights and not to the eyelets.

Check again to make sure rack is level and adjust the extenders as necessary.>

     3.2 USE PUCKS IN THE FIT KIT

If your frame or fork has upper eyelets, you use them to attach the Extenders if you want. If your frame or fork does not have upper eyelets use the Pucks provided with your Fit Kit to attach the Extenders to your fork.
- Locate where you want to install the Pucks onto your fork, and install the clear protective tape to those areas. The top of the pucks should be aligned with the rim or above.

Note:

You will want to trim the tape so that it will not overlap BEFORE sticking it to your bike.
Pizza Rack Assembly

- Get the Pucks and our supplied ZipTies ready to install. We make the following 3 styles:

Note:

Pizza Rack install

PUCK A should be installed with the hex nut slot facing your wheel.
PUCK B needs to have the threaded barrel inserted into the Puck before attaching it to the fork. The chamfer on the threaded barrel should face the fork.
PUCK C should be installed with the brass insert against the fork.

Pro Tip:

Putting the ZipTies, head down in a cup of hot water will soften them and help them install even easier.

- Attach the Extenders to the pucks with Hardware Kit 6. On some bikes, bending the Extenders is necessary to properly line up the extenders with the eyelets and/or the inside of the rack’s crossbars.

Pro Tip:

If bending the Extenders, we like to wrap them in a paper towel to protect the finish, and bend them in a vise to get nice, clean bends.

- Use Hardware Kit 2 to attach the slotted end of the Extenders to the inside of the crossbars on the rack frame. Snug them up, but do not torque them yet. Don’t forget to apply anti-seize (preferred) or grease to all bolts.
- Check again to make sure rack is level and adjust the extenders as necessary.


STEP 4: Final check and hardware tightening

Tighten up all the hardware to the following specifications.

  • M5 bolts (Eyelets) = 3 Nm
  • M6 bolts (Deck and Extenders) = 6 Nm
  • If you used Pucks, give the zip ties one more pull with a pair of pliers, then cut flush. (Nail clippers work well for a very flush cut).

We use Nyloc hardware where possible to ensure your rack stays securely and reliably attached to your bike on even the most rugged conditions but you should always double check all hardware and parts before each ride!


GOOD JOB! YOU'RE NOW READY TO RIDE.
We are excited to be a part of your biking adventures. Thank you for using Old Man Mountain Racks!


Pizza Rack install

We are always happy to see how the rack looks when mounted on Your bike. So if you feel like it, please send us a picture of the rack and your bike.
This will also help other customers visualize how the rack will work for them on their bikes.

Old Man Mountain Bicycle Racks

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Old Man Mountain

Full Suspension

Our racks are compatible with full suspension bikes with 26" 700 27.5 and 29" wheels. The best option if you want to carry panniers on your bike.

Disc Brakes

OMM racks are compatible with disc brakes and 29" wheels. We solve your problem of carrying a load on your mountain bike. The best choice for your bike.

12" Thru-axles

We offer a solution for your 12" axle bike from most mayor brands. For example, Specialized, Cannondale, Trek, Canyon, Cube, Radon, Scott, Giant and Ghost.

Bikepacking

Our new Elkhorn rack is perfect for Bikepacking. It is front or rear ready with optional fit kits for axle mounting. The Elkhorn comes in two sizes, Short and Tall.

Fat Bikes

The structure of the frame is wider and adapts perfectly to the Fat Bikes of Pugsley, Moonlander, Specialized Fatboy, Mondraker Panzer, Trek Farley and many other models... both front and back.

QR 15

Front QR15 is the front rack you need if you have a QR15 front fork from Fox or Rockshox. As you can see, you can carry load up front as well.