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1200/1250 GS/A_LC Tire Fitment w/ MudSling_LC

MudSling_LC fits best with the standard fitment street biased Metzler Tourance Next, Michelin Anakee, Bridgestone Battlax Adventure A41R and Pirelli Rallye STR tires. It also fits the Mitas E-07 – a 50/50 tire, and a limited number of knobby tires, depending on whether mounted to a GS or GSA. This is due to differences in tire cross-section shapes and diameters. There is not much clearance between the rear tire and the Paralever – the GSA has less clearance than the GS because of different suspension geometry – so minor differences in tire shape will determine if the tire will rub the MudSling or not.

Knobbies: On the R1200/1250 GS, MudSling fits with Michelin Anakee Wild, Continental TKC80 knobbies, and Mitas E-07.

On the R1200/1250 GSA, Michelin Anakee Wild knobbies DO fit, but TKC70 and TKC80 knobbies DO NOT fit with sufficient clearance.

Some customers have reported that Hidenau K60 Scouts are a close fit on the standard GS, while others have reported rubbing the MudSling when the tire is new. Hidenau K60 Scouts DO NOT fit the GSA. Because Hidenau DO NOT fit consistently, we do not recommend using them with MudSling.  Pirelli Scorpion Trail II are a close fit.

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Michelin Anakee Wild knobbies Do Fit on ADV shown below.

AnakeeWild on GSA

Continental TKC 80 DO NOT fit the GS ADV. On the 2014+ GS/ADV, suspension travel is 20mm
longer than the standard GS and, as a result, the rear wheel assembly hangs lower and comes closer to
the swingarm than the standard GS when on the center stand. The MudSling_LC fits fine on the ADV_LC  with standard tires, but with TKC80’smounted the tire rubs the MudSling when on the center stand.

Clearance while on the center stand is the worst case. Taken off the center stand, the bike’s weight
compresses the suspension slightly and it no longer rubs, but clearance with the MudSling is
small.  With a rider aboard and the suspension working, clearance increases even more. The more the
suspension compresses the more the clearance.

Tires that DO NOT fit GS/A_LC:   Continental TKC80, TKC70, Mitas E 07 knobby; Kenda; Shinko 805.


A possible solution for tight tire to MudSling clearance:

Apart from tire choice, we have also found considerable differences in assembly tolerances from
bike to bike which can affect the position of the large under-seat plastic molded liner.  That large part is the MudSling’s primary locator.

Here is an example reported by two customers that proved assembly differences among bikes to be true:
Two friends each bought a MudSling GS_LC at the same time for their same year GSs.  The
MudSling fit perfectly on GS #1 with sufficient clearace. The MudSling on GS #2 made contact
with the swingarm. I asked the guys to swap MudSlings to determine if the variable was the
bike or the part. When they were swapped, the MudSling that fit properly on GS #1, did NOT fit
GS #2. Conversly, the MudSling that did not fit on GS #2, DID fit properly on GS #1.

To compensate for this possibility, there is a solution to try to gain 3~5mm between the tire and MudSling:

1. Remove the seat to reveal two tabs which support the inner fender liner secured to the top
of the frame rails.
2. Remove the two screws securing the tabs with a T25 Torx driver.
3. Find a 3~4 mm thick rubber washer 20mm in diameter, or cut it out of flat rubber stock.
Nylon washers may also be used. Insert the rubber shims under the plastic tabs and re-tighten the screws.

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2 Solution-2

This work-around usually works, but is not guaranteed depending on your bike’s assembly tolerances.