Beta One Installation Guide

Pre Step — Verify Compatibility

Confirm your seat post set up:

  • 10 mm Ritchey thru-rails present → Carrier can mount directly

  • Standard saddle rails → Beta Saddle Bracket required

⚠️ Bikes without 10 mm thru-rails cannot mount the carrier directly.

Step 1 — Attach the Carrier

If your bike has 10 mm thru-rails 👇:

We always recommend snapping a picture of or marking your current saddle position before installation so as not to lose your exact position.

  1. Remove the Ritchey saddle clamp from seatpost using the two top-down bolts. If your saddle does not have a slot through it, you may need to first remove the saddle to access these bolts.

  2. Remove the saddle topper rail (usually a dumb-bell shaped piece from the 10mm rail slot.

  3. Slide the Beta rod into the seatpost, positioning the vertical holes directly under where the saddle topper needs to be positioned.
  4. Replace the bolts through the saddle topper into the Beta rail. Ensure there is enough space to attach the Beta Carrier to the rear portion of the rail.

  5. Tighten evenly (final torque applied after alignment). Replace saddle if necessary.

If using the Beta Saddle Bracket 👇:

  1. Install the Beta Saddle Bracket first (see Beta Saddle Bracket installation guide).

  2. Attach the rod to the bracket using two M5 button head screws.

  3. Tighten evenly (final torque applied after alignment).

Adjustment:

  • Set the desired fore/aft position by sliding the rod to desired length.

Step 2 — Attach the Mounting Rosette

  1. Attach the mounting rosette to the flared end of the titanium rod using two M5 button head screws.

  2. Adjust orientation as needed:

    • Fore/aft adjustable

    • Can be flipped upside down

    • Can face drive side or non-drive side (under-slung configuration)

  3. Once aligned, torque both M5 screws to 3–4 Nm.

Step 3 — Attach the Wishbone to the Rosette

  1. Align the teeth of the Wishbone Attachment with the teeth on the mounting rosette.

  2. Insert the M6 through-bolt.

  3. Tighten to 5–6 Nm.

Step 4 — Attach the Mounting Bracket to the Wishbone

  1. Align the teeth of the Wishbone Attachment with the teeth on the mounting bracket.

  2. Insert the second, M6 through-bolt.

  3. Tighten to 5–6 Nm.

Step 4 — Attach your Bottles!

  1. Using the slotted holes of the Kappa and Kappa Saddle Cages, install the bottle cages.

  2. This set up shows one Kappa Cage and one Kappa Saddle Cage. Though there are 26 different boss options for a variety of different bottle configurations. 

OPTIONAL: 

  • You do not need to use the Wishbone Attachment and instead mount the main mounting bracket (indicated in blue) to the rosette (indicated in red).