RD-M6100 12 Speed Rear Derailleur SGS The all-new SHIMANO DEORE M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. Product features Use: MTB Group: DEORE M6100 Model: RD-M6100 Mount: Direct Mount Technology: Shadow RD+ Gradations: SGS-Type 1x12-speed (10-51 cassette) Compatible chain: CN-M6100 12-speed Max. teeth large sprocket: 51T Min. teeth large sprocket: 45T Max. teeth small sprocket: 10T Min. teeth small sprocket: 10T Max. Front Difference: 0T Total Capacity: 41T SL-M6100 12 Speed Right Shifter The Shimano Deore SL-M6100 shifter has an easy-to-read optical gear indicator, which allows you to shift through all twelve gears of the completely revised Deore groupset even more reliably. It is mounted on the right side of the handlebars using a clamp. As a Rapidfire-Plus shifter, the SL-M6100 features a 2-Way Release function, i.e. the shifter cable can be released by pressing with the thumb or by pulling with the index finger. A cable and an OT-SP41 cable housing are included. Specifications: Series: Deore M6100 Application: All Mountain Gearing: 12-speed Technical Information: Type: Rapidfire Plus Body Material: aluminium Lever Material: composite, steel Cable: stainless steel (Optislick) Cable Housing: OT-SP41 Gear Indicator: yes SKU: SET-M6100-2 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***