JT
JT Twinstar Rear Sprocket - Grey - JTR210.50 - 520P - 50T
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DESCRIPTION
Built for riders who demand durability without sacrificing performance, the JT Twinstar Rear Sprocket JTR210.50 combines the strength of steel with the weight savings of aluminium. Designed for 520 pitch chains with 50 teeth, this hybrid sprocket is engineered to handle the toughest race conditions while delivering smooth, efficient power transfer.
Part of the JT Twinstar Hybrid Steel / Aluminium range, this sprocket features a hardened high-carbon steel outer ring paired with a lightweight Ergal 7075-T6 aluminium inner hub. The result is a race-proven design that offers exceptional longevity, reduced rotating mass, and reliable performance.
Key Features
~ Hybrid Steel / Aluminium construction for strength and reduced weight
~ 520P pitch
~ 50 tooth configuration
~ High-carbon C49 steel outer ring for long-lasting durability
~ Heat induction hardened teeth lasting up to 6x longer than aluminium sprockets
~ Ergal 7075-T6 aluminium inner hub for lightweight performance
~ Precision laser cut and CNC machined
~ Manufactured using hobbing, machining and drilling for optimal tooth profile
~ 10 individual quality control checks for guaranteed consistency
~ Grey finish for a clean race-ready look
Why Choose JT Twinstar
The outer ring uses JT’s proven C49 high-carbon steel blend, tempered with advanced heat induction technology for superior wear resistance. The inner hub is crafted from aviation-grade aluminium, reducing overall weight without compromising strength.
Every JT sprocket is produced with strict tolerances to ensure smooth chain engagement, efficient power delivery, and long service life.
SHIPPING
SHIPPING
Orders can be shipped from either Auckland, Hamilton, Kihikihi, New Plymouth, Wellington or Christchurch warehouses. Depending on the location of items you have ordered, Motozone will ship your purchase from the closest location where possible.
New Zealand
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout New Zealand is $7.99 for Urban and $12.99 for Rural Shipping.
In most cases shipping is overnight however it can take 2-3 days depending on time/day the order was placed. If delivery is to a rural address please allow a couple of extra days. We can ship to your place of work!
Australia
Free shipping on order over $199.00.
For orders under $199.00, shipping throughout Australia is $19.99
Delivery takes approx. 5-10 days delivery.
RETURNS
RETURNS
Any goods purchased from Motozone can be returned within 30 days of receipt for refund or exchange.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
For the returns process contact or phone Motozone with your invoice number and the reason for return. We will then email you the correct form for processing.