Shimano's new Deore FD-M617 master front shifting for a 2x crankset with a bold new design and approach. Debuting on XTR M9000, the light and crisp shift action of the DEORE SIDE SWING front derailleur (FD-M617 2x10 or FD-M612 3x10 option) has been designed with long travel trail bikes in mind. Both derailleurs bring a drastic reduction in shift effort with efficient cable routing and enhanced stability, while also increasing tire clearance allowing for shorter chainstays. High clamp, low clamp, D-type and E-type mounting options are available. Side-Swing Designed specifically with modern trail bikes in mind, Shimano's Deore Side-Swing front derailleur provides 15mm of increased tire clearance, while new cable routing dramatically reduces shifting effort. Designed for larger wheels and longer travel, Deore brings Shimano's industry-leading front shifting to another level. Features Super light shift action New structure with multiple mount options and new cable routing 2x mounting options: High clamp, Low clamp, D-type, E-type (without plate) Increased tire clearance of 15mm allows for shorter chainstays Designed with long travel trail bikes in mind. Mount: Direct Mount Clamp Size: N/A Speed: 2 x 10 Speed Cable: Front Pull Top Gear Capacity: 38T.
|Deore FD-M617 Double Front Derailleur Specification|
|Components Type||Front Mechs|
|Type||10 speed, Double Chainring, Front|
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These handy devices enable you to shift gear, as well as help to keep your chain on. Otherwise known as front derailleurs, they are designed to work with a specific number of chain rings (either double or triple) and speeds (from 7/8 speed all the way up to 11). You need to establish that your new front mech will both fit your frame, as well as be suitable for your current drivetrain. If in doubt, try to replace the older model with a similar derailleur - you won't need to replace front mechs as often as rear, in some cases they can last decades! The industry leaders in this department are Shimano, SRAM, and Campagnolo, although companies such as FSA also produce their range of derailleurs too.
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Shimano are a Japanese manufacturer primarily known for their cycling components, and to a lesser extent shoes and clothing. Founded in 1921, Shimano is widely believed to be the largest cycling component manufacturer in the world, having reached this status through a combination of innovation, reliability and value for money. Whatever your style of riding, whether it be road or MTB, Shimano will have a component range to suit your level and budget, from the low end Alivio and Tiagra to the professional standard XTR and Dura-Ace. Over the years, Shimano have revolutionised bicycle gear, brake and pedal systems, such as the recessed SPD, Hollowtech crank arms and smooth shifting Hyperglide sprockets. Initially their component range faced competition from Suntour, whereas nowadays their primary rivals for market share are SRAM and Campagnolo. If you wish to save money on their components and apparel, please visit my Shimano section, where I list as many money saving deals as I can find.
For additional information on Shimano's cycling equipment, please visit either http://cycle.shimano-europe.com/ or their wikipedia page - this includes information on Shimano's history, including non-cycling equipment.