Jitsie spiral-type chain tensioner kit for trials bikes. Compatible with Jitsie models, older models like Monty Kamel, 219, Koxx, etc.

1 aluminum tensioner for the disc side and one steel tensioner (silver) for the chain side.

Includes screws.

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The KMC X9.73 Heavy Duty Single Speed Chain is engineered for Trials, Biketrial and BMX bikes. Its reinforced construction delivers 30% greater rigidity than standard chains, ensuring outstanding durability, smooth power transfer and reliable performance under extreme riding conditions.