Shimano DEORE M4100 10 Speed Cassette SprocketShimano Cassette Deore CS M4100 10 fach Silver 42 Teeth Touring Trekking MTB Manufacturer: Shimano Application: All Mountain, Touring & Trekking Switching stages: 10 fold Gradation: 11 42 (11 13 15 18 21 24 28 32 37 42 teeth) Material pinion: steel Freewheel compatibility: Shimano MTB Series: Deore M4100 Spider pinion carrier: 1 (steel) Recommended chain: HG X 10 speed (e. g. CN HG95, CN HG54)

Model: Shimano ST-EF500

Wide range and close step 12-speed drivetrain

Total length: 123mm

long ride comfort

Rear speeds: 9

Rear speeds                    : 11

BB Included: No

Capacity: 41 tooth

Packaging: 2 pcs for RT30

The Shimano Alivio FD-M4020 series 2x9 front derailleurs use Shimano new side swing for enhanced cable routing

Colour- Black as shown in the picture

Low profile SHIMANO SHADOW RD design