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Need Advice - Installing RF Next crankset

1139 Views 3 Replies 3 Participants Last post by ljgmdad, Dec 27, 2021

edbraunbeck

Discussion Starter · Dec 12, 2021

I'm upgrading cranks on the new Trail 429. The Super Boost spindle (142.5 mm) is installed on the crankarm. Thank you to Pivot CS for guiding me through those questions.

How many spacers and widths are needed on each of the drive/non-drive sides?

Thanks,

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2021Mach6

· #2 · Dec 12, 2021 (Edited)

edbraunbeck said:
I'm upgrading cranks on the new Trail 429. The Super Boost spindle (142.5 mm) is installed on the crankarm. Thank you to Pivot CS for guiding me through those questions.

How many spacers and widths are needed on each of the drive/non-drive sides?

Thanks,

Wow, a technical question on here that I'm actually able to help with. This is exciting!

My X01 cranks broke at Killington Bike Park and I didn't have many options so went with RF Atlas on my Mach 6. You'll need 3 24mm (inside diameter) spacers on each side. RaceFace sells their own. They're red. Good luck!

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edbraunbeck

Discussion Starter · #3 · Dec 12, 2021

2021Mach6 said:
Wow, a technical question on here that I'm actually able to help with. This is exciting!

My X01 cranks broke at Killington Bike Park and I didn't have many options so went with RF Atlas on my Mach 6. You'll need 3 24mm (inside diameter) spacers on each side. RaceFace sells their own. They're red. Good luck!

Thanks for the quick response. Unfortunately, the Next crankset uses a 30mm x 143mm spindle. The length is specific to Super Boost used on most of Pivot's 29'ers.

From my research so far, it looks like I need a 4.5mm space on each side. Hopefully, my buddy has some in the spare parts box.

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ljgmdad

· #4 · Dec 27, 2021

edbraunbeck said:
Thanks for the quick response. Unfortunately, the Next crankset uses a 30mm x 143mm spindle. The length is specific to Super Boost used on most of Pivot's 29'ers.

From my research so far, it looks like I need a 4.5mm space on each side. Hopefully, my buddy has some in the spare parts box.

The bottom bracket is offset in the frame, so I would suspect the spacers are not going to be equal on L and R. I installed Rotor Kapic Carbon cranks on my 2022 429, and the spacers were definitely different on each side. Raceface could somehow be different, but that seems unlikely.

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