Unfortunately due to technical issues we are currently unable to fulfil online sales orders. While we resolve this issue please support your local Renthal dealer/stockist. We apologise for this inconvenience we thank you for your patience.

Ultralight Rear

Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.

With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal’s light weight all aluminum rear sprockets can be found on the rear wheels of more factory race team machines than all other competing brands combined.

For the best way to find the correct chainwheel for your motorcycle, use our Fit My Bike Parts Finder.


Useful Ultralight™ Rear Chainwheel Links
Installation Instructions Street / Road Ultralight™ Rear Chainwheels
Accordion
Designed to keep revolving un-sprung mass to an absolute minimum and power transfer at a maximum, Renthal Ultralight™ rear chainwheels are 66% lighter than steel.
twinwall
Each Ultralight™ Rear Chainwheel that leaves Renthal's engineering facilities in the UK is individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit.
twinwall
High strength specially enhanced 7075 T6 aluminium alloy is used to create the perfect rear chainwheel, that is both lightweight, durable and strong.
twinwall
Ultralight™ Rear Chainwheels feature Renthal's self cleaning mud groove technology between each tooth. This prevents mud build up that traditionally leads to quicker wearing components.
twinwall
Ultralight Rear Chainwheels are available in 6 colours to help you personalise your setup. The available colours are Black, Blue, Red, Green, Orange and Silver. The anodised surface finish provides an integral coating preventing corrosion. A 15 step process is carefully carried on on each chainwheel individually.
twinwall
Renthal Ultralight™ chainwheels are used by more factory motocross and supercross teams than any other chainwheel in the world
twinwall

Name Part Number A B C D E F Prices From: Purchase
130U-520 ULTRALIGHT GROOVED, 44T 130U-520-44GBSI - - - - - - Contact Distributor
131A-428 STANDARD, 53T 131A-428-53P-HA - - - - - - $93.45 Ex Tax: $93.45
131U-520 ULTRALIGHT GROOVED, 46T 131U-520-46GBSI - - - - - - Contact Distributor
131U-520 ULTRALIGHT GROOVED, 48T 131U-520-48GBSI - - - - - - $93.45 Ex Tax: $93.45
131U-520 ULTRALIGHT GROOVED, 49T 131U-520-49GBSI - - - - - - $93.45 Ex Tax: $93.45
131U-520 ULTRALIGHT GROOVED, 50T 131U-520-50GBSI - - - - - - $93.45 Ex Tax: $93.45
131U-520 ULTRALIGHT GROOVED, 51T 131U-520-51GBSI - - - - - - $93.45 Ex Tax: $93.45
131U-520 ULTRALIGHT GROOVED, 52T 131U-520-52GBSI - - - - - - Contact Distributor
131V-520 ULTRALIGHT GROOVED, 48T 131V-520-48GPSI - - - - - - Contact Distributor
131V-520 ULTRALIGHT GROOVED, 50T 131V-520-50GPSI - - - - - - $93.45 Ex Tax: $93.45
141U-420 ULTRALIGHT GROOVED, 46T 141U-420-46GPHA - - - - - - Contact Distributor
141U-420 ULTRALIGHT GROOVED, 50T 141U-420-50GPHA - - - - - - Contact Distributor
141U-520 ULTRALIGHT GROOVED, 39T 141U-520-39 - - - - - - Black, Red, Silver $93.45 Ex Tax: $93.45
141U-520 ULTRALIGHT GROOVED, 40T 141U-520-40 - - - - - - Black, Red, Silver $93.45 Ex Tax: $93.45
141U-520 ULTRALIGHT GROOVED, 41T 141U-520-41 - - - - - - Tanium $74.95 Ex Tax: $74.95
141U-520 ULTRALIGHT GROOVED, 41T 141U-520-41GPSI - - - - - - $93.45 Ex Tax: $93.45
141U-520 ULTRALIGHT GROOVED, 42T 141U-520-42 - - - - - - Tanium, Black, Red, Silver, Gold $93.45 Ex Tax: $93.45
141U-520 ULTRALIGHT GROOVED, 43T 141U-520-43 - - - - - - Black, Red, Green, Silver, Gold $97.95 Ex Tax: $97.95
141U-520 ULTRALIGHT GROOVED, 44T 141U-520-44 - - - - - - Red Contact Distributor
141U-520 ULTRALIGHT GROOVED, 44T 141U-520-44GPSI - - - - - - Contact Distributor
141U-520 ULTRALIGHT GROOVED, 48T 141U-520-48 - - - - - - Black, Red, Silver Contact Distributor
141U-520 ULTRALIGHT GROOVED, 49T 141U-520-49GPSI - - - - - - Contact Distributor
141U-520 ULTRALIGHT GROOVED, 50T 141U-520-50GPSI - - - - - - Contact Distributor
146U-520 ULTRALIGHT GROOVED, 40T 146U-520-40GPSI - - - - - - Contact Distributor
146U-520 ULTRALIGHT GROOVED, 42T 146U-520-42GPSI - - - - - - Contact Distributor
146U-520 ULTRALIGHT GROOVED, 43T 146U-520-43GPSI - - - - - - Contact Distributor
150U-520 ULTRALIGHT GROOVED, 38T 150U-520-38GBSI - - - - - - Contact Distributor
150U-520 ULTRALIGHT GROOVED, 38T 150U-520-38 - - - - - - Silver Contact Distributor
150U-520 ULTRALIGHT GROOVED, 39T 150U-520-39GBSI - - - - - - $34.98 Ex Tax: $34.98
150U-520 ULTRALIGHT GROOVED, 41T 150U-520-41GBSI - - - - - - Contact Distributor
Dimensions Explained
handlebar dimensions