Chains and sprockets

WARNING!

If You don’t have sufficient mechanical knowledge, experience and proper tools, we strongly recommend, that You have these operations done by Your selling dealer or at Your local motorcycle service center!
For greater durability all KUBERG chains (excluding Start) do NOT use a removable chain master link, therefore the chain change includes removing the motor. KUBERG does not recommend splitting the chain in half while changing it with a new one because of its subsequently lowered durability and a mistake, that can be done very easily.

List of all currently used chains and sprockets (edited 20th November 2024):

Motorcycle	Sprocket size front/rear [teeth]	Moto tires [inch]	Bike tires [inch]	Swingarm type	Chain length without link [cm]	Chain length without link [inch]	Chain code	Motor sprocket code	Rear wheel sprocket code
FreeRider	10/80	14	20	standard	144	56.7	ASE-FR0066	UN-0101	ASE-FRS0012
	10/70	14	20	standard	139	54.7	ASE-FR0066-1	UN-0101	ASE-CP500047
	12/80	14	20	standard	145.5	57.3	ASE-FR0066-2	FR-0213	ASE-FRS0012
	12/80	19/16	24	extended	158.5	62.4	ASE-FR0066-3	FR-0213	ASE-FRS0012
	10/100	19/16	24	extended	165.5	65.2	ASE-FR0066-4	UN-0101	ASE-FRS0014
	12/100	19/16	24	extended	167	65.7	ASE-FR0066-5	FR-0213	ASE-FRS0014
	12/70	14	20	standard	140.5	55.3	ASE-FR0066-6	FR-0213	ASE-CP500047
Ranger (primary)	16/36	-	-	standard	41.5	16.3	ASE-DHS011	DHS-0086	N/A
Ranger (secondary)	25/90	14	-	standard	109.5	43.1	ASE-DHS012	N/A	ASE-DHS013
Ranger (secondary)	25/100	14	-	standard	114.5	45.1	ASE-DHS012-1	N/A	ASE-FRS0014
Challenger	10/55	14	-	standard	106.5	41.9	ASE-CH0018	UN-0101	ASE-CH0011-1
Challenger	10/70	16	-	standard	123.7	48.7	ASE-CH0018-1	UN-0101	ASE-CP500047
X-Force 14/12“	10/80	12	-	extended	125.2	49.3	ASE-CP500086-2	UN-0101	ASE-FRS0012
X-Force 12/10“	10/70	10	-	standard	113	44.5	ASE-CP500086	UN-0101	ASE-CP500047
X-Force Motard 12/10“	10/70	10	-	standard	114	44.9	ASE-CP500086-1	UN-0101	ASE-CP500047
Pit Bike	12/50	12	-	standard	N/A	N/A	PB-0033-1	ASE-PB0013	ASE-PB0025
Trial/Cross	10/70	12	16	standard	114.8	45.2	ASE-UN0101	UN-0101	ASE-UN0006
Start	11/90	-	12	standard	79.5	31.3	ST-0015	N/A	ASE-ST0014

Moto tires = tire dimension is measured as an outer RIM diameter
Bike tires = tire dimension is measured as an outer TIRE diameter

NOTE:
Changing the sprocket to a new one with a different number of teeth will greatly influence the top speed, torque and acceleration of Your motorcycle:

Slightly bigger rear sprocket (or smaller motor sprocket or both) will slow down the motorcycle, but enhaces its torque and acceleration.
Slightly smaller rear sprocket (or bigger motor sprocket or both) may enhance the top speed of the motorcycle, but will reduce its torque and acceleration.
Changing gearing will require new chain in different length.

WARNING!
If You choose to change the gear ratio on Your motorcycle, pick new gearing only from a range of parts designated to the same motorcycle, otherwise the chain tensioner might NOT be able to preload the chain sufficiently and therefore could cause the chain to slip of the sprocket during ride! For example You can switch the FreeRider's gear ratio from 12/70 down to 10/100 while keeping the same wheel size.

Rear wheel sprockets, that are NOT interchangeable:

Start (6 holes, 50H chain)
Trial/Cross (6 holes, 219H chain)
Pit Bike (4 holes, 428 chain)

Rear wheel sprockets, that are interchangeable (7 holes, 219H chain):

Ranger
Challenger
FreeRider
X-Force

Motor sprockets (except for Start) are all interchangeable, but please specify the motorcycle type during Your order.

If Your motorcycle is under warranty, please register it on our website, if You have not already done so:
https://www.kuberg.com/en/bike-registration

If the problem persists, please contact your dealer or KUBERG customer service (support@kuberg.com). For the fastest possible resolution please send:

VIN of your motorcycle (it is stamped on the right side of the steering column).
Detailed information on actions taken so far, a few photos and preferably a video.

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Chains and sprockets

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