Aprilia SR50 (Minarelli Engine)

Tech Pulley Flying Roller II 16x13

16 x 13 Tech pulley flying rollers 

Available in 4.5g, 5.0g, 5.5g, 6.0g, 6.5g, 7.0g, 7.5g, 8.0g

Allows the variator to close, and open more than traditional rollers, also has extra features to reduce wear, binding, and rolling

Made in Taiwan. 

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