19 mm belt
Up to140 mm rear tire width
19 mm belt +
aluminum-alloy washer
Explore the photographs · Tap the main image to look closer
$500.00 USD
ReviewsChoose a 19 mm or 25 mm secondary belt drive for your Ultra Bee, based on rear tire width. Current V2 uses a 304 stainless steel guard ring.
01 / FIND YOUR FIT
Two belt widths. Choose the version that matches your Ultra Bee’s rear tire width.
19 mm belt
Up to140 mm rear tire width
19 mm belt +
aluminum-alloy washer
25 mm belt
Up to125 mm rear tire width
25 mm
wide belt
Both versions / $500Current V2 · 304 stainless steel guard ring
02 / ON THE BIKE
See the belt running along the swingarm, between the front and rear pulleys.
The rear pulley and guard ring, shown where they sit beside the wheel.
The same installation, photographed with the rear wheel turning.
Swipe to explore · Tap to enlarge. Some installation photographs show an earlier guard ring.
03 / THE VERSION YOU RECEIVE
The guard ring is made from304 stainless steelon both the 19 mm and 25 mm versions sold today.
Some of our photographs show the earlier carbon-fiber guard ring. The original update note explains the material change.
Compare the two widthsPurchased this item? Sign in to leave a review