Intense Primer Mullet Conversion: Why the 2026 Manual Says No
Intense Primer mullet conversion is explicitly ruled out for the 2026 frame in the manufacturer’s FAQ. Intense says this model was designed as a full 29-inch trail bike and cannot be converted to a full 27.5-inch or mixed-wheel setup. That direct model-specific answer is more useful than assuming a smaller rear wheel is approved whenever it can be fitted physically.
Intense Primer mullet conversion and model identity
The 2026 manual describes 150 mm travel at both ends on a full 29-inch platform. Its conversion FAQ addresses both smaller wheels at both ends and a mullet layout. Keep the model year attached to this answer. Search suggestions include Primer 275 as well as Primer 29, but those names alone do not establish that their frames share conversion permission.
Before evaluating a used Primer, identify its exact generation and original wheel platform. A seller’s shortened model name or a photograph with a changed rear wheel cannot establish manufacturer approval. For a confirmed 2026 frame, the manual provides a clear restriction; this guide does not replace it with an informal conversion recipe.
Why the former flip-chip option disappeared
The FAQ says the flip chip was removed to accommodate the update to 150 mm travel. Intense explains that the previous low position brought the rear triangle too close to the seat-tube guard at bottom-out with the increased travel. It says the high position offered sufficient clearance, and describes focusing the updated design on that arrangement.
This is the manufacturer’s stated reason for removing an adjustment, not an instruction to recreate it through replacement hardware. The manual also says many riders preferred the high setting. That observation is a manufacturer-reported preference, rather than independent evidence that one geometry suits every rider. The important mechanical point is the stated clearance concern associated with the travel update.
Choose the layout before choosing the bicycle
If a mixed-wheel layout is central to your plans, compare bicycles whose own documentation supports that layout. Do not start with an unsupported conversion and then assume a fork, tire or shock change will make it approved. This source supplies neither a conversion kit nor alternate geometry values for a 2026 Primer on smaller wheels.
Keeping the stock wheel format does not eliminate the need to check individual components. The same manual recommends tires no larger than 2.5 inches and sets the front and rear travel limits at 150 mm. Wheel diameter, tire width and travel are separate specifications. Respecting one does not create permission to exceed another, especially when assessing a used bike with an uncertain modification history.
The Intense topic and model-family background introduce other platforms. They are useful starting points for comparing intended riding roles before committing to a particular wheel layout.
FAQ
Does the 2026 manual approve a 27.5-inch rear wheel?
No. Its FAQ says the frame cannot be converted to a mullet setup.
Does it approve converting both wheels to 27.5 inches?
No. The same FAQ explicitly rules out a full 27.5-inch conversion.
Why was the flip-chip option removed?
Intense cites clearance concerns in the low position after the update to 150 mm rear travel.
Sources
Model-specific reference: printed pages 4, 6, 26 of the 2026 Primer frame manual (https://cdn.shopify.com/s/files/1/2426/4557/files/2026_Primer_Frame_Manual.pdf?v=1775683549), retrieved 28 October 2026.
Photograph credits and permissions
Photograph 1
Original title: Intense M6.JPG
Creator: Keanu @ no:wp (author named on the source; uploaded to Wikimedia Commons by Keanu4)
Copyright notice: Copyright 2006
Original source URI: https://commons.wikimedia.org/wiki/File:Intense_M6.JPG
License / permission: CC BY-SA 3.0
License / permission URI: https://creativecommons.org/licenses/by-sa/3.0/
Modification notice: Wikimedia Commons-provided 1280×960 rendition of the 2560×1920 original; no further crop, retouching or re-encoding by this publisher. Photograph remains under CC BY-SA 3.0.