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Specifications - Shimano ACERA RD-M3020-8
Dual servo drive design for smooth and precise shifting
Universal performance and wide compatibility
Quick installation
Allen key type inner cable fixing bolt
Maximum large sprocket: 40T
Total capacity: 45T
Product features
Usage: MTB, Trekking
Group: ACERA M3000
Model: RD-M3020-8
Mount type: Direct mount
Technology: Top normal
Gear: 7/8 speeds
Compatible chain: HG 7/8 speeds
Maximum teeth on large sprocket: 40T
Minimum teeth on large sprocket: 30T
Maximum teeth on small sprocket: 12T
Minimum teeth on small sprocket: 11T
Maximum front difference: 20T
Total capacity: 45T