JT Sprockets Rear Sprocket 818 - 630 (Manufacturer part number: JTR818.42)

Designed to replace the original rear sprocket or modify the gearing, this JT Sprockets sprocket is aimed at riders looking for a robust and reliable transmission component. Machined from steel (C49 carbon), it features a refined finish to withstand the daily demands of the road.

• Material: steel (C49) — wear resistance suitable for the chain and pinion
• Number of teeth: 42 — direct influence on acceleration and top speed
• Chain pitch: 630 — compatible with transmissions equipped with this standard
• Type: standard, model: 818 — common format for many roadsters

Ideal for classic motorcycles and roadsters, this sprocket is easy to install in place of the original component. Whether you aim for a more responsive gearing for the city or a setting close to stock for cruising, the geometry and number of teeth facilitate the choice according to your riding style. Particularly suitable for Suzuki GSX 1100 ES, GSX 1100 S Katana, and GS 1000 GL models listed as common applications.

Easy to install during a secondary transmission service: check the condition of the pinion and chain before installation to ensure even wear and optimal transmission performance.