JT sprocket Alu black 428 chain

The JT sprocket Alu black 428 chain is a 47-tooth rear sprocket for 428-pitch chains, designed as a Racelite aluminium rear race sprocket for KTM 85 off-road models that use the JTA895.47BLK pattern. It replaces selected OEM rear sprockets on KTM 85 SX and related 85cc off-road variants where a JTA895 family rear sprocket is specified.

Technical specifications

• Manufacturer part number: JTA895.47BLK
• Mounting position: Rear
• Tooth count: 47
• Chain size: 428
• Material: 7075-T6 Aluminium Alloy
• Finish: Black anodized
• Series: Racelite Aluminium Rear Race Sprocket
• Unit: Each

Service context

This JT sprocket Alu black 428 chain suits riders setting up small off-road race motorcycles that require a 47-tooth, 428-pitch rear sprocket with the JTA895 pattern. Replace the rear sprocket when teeth show hooking, thinning, or when installing a new 428 chain and front sprocket to maintain consistent drivetrain wear.

Installation notes

The sprocket installs as a direct rear replacement on compatible KTM 85 off-road applications using the JTA895.47BLK fitment, reusing appropriate mounting hardware and alignment procedures.

What's included

• Included: Rear sprocket JTA895.47BLK, single unit