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SHIMANO TIAGRA Crankstel FC-4703 2-PIECE CRANKSET 10-speed 170,0 mm 50-39-30T Product Description Tiagra FC-4703 Crankset by Shimano - Riding fun with smooth shifting The Shimano Tiagra FC-4703 is a 10-speed crankset with three chainrings for use on road bikes or city bikes. It has an asymmetric 4-arm spider (110/74 mm bolt circle diameter), as first used on the 11-speed cranks of the Dura-Ace, Ultegra and 105 series. This results in great advantages in terms of stiffness to weight ratio. The integration of the crank arm and bottom bracket (2-piece design) also contributes to stability. Last but not least, the FC-4703 aluminium crank impresses with stable, fluid and smooth shifting, which clearly means more riding fun. Specifications:Application:Road, CityCompatibility:Shimano 3x10-speedChainring Mount:110/74 mm bolt circle diameter, 4-arm asymmetricalTechnical Information:Series:Tiagra 4700Crank Arm Material:aluminiumChainring Material:aluminium, composite material (GFRP) / aluminium / steelAxle Material:steelGradation:30-39-50Crank Arm Length:170.0 mm, 172.5 mm, 175.0 mmChainline:45 mmQ-Factor:158.8 mmAxle Diameter:24 mmCompatible BSA Shell Width:68 mmRecommended Bottom Bracket:BB-RS501 or BB-RS500-PB Press Fit Hollowtech II (not included)Recommended Chain:HG-X 10-speed (e.g. CN-HG54)Compatibility:Shift/Brake Lever:ST-4703Shifter:SL-4703Front Derailleur:FD-4703Bottom Bracket:BB-R9100, SM-BB9000, SM-BBR60, SM-BB6700, SM-BB5700, BB-RS501, BB-RS500, SM-BB4600, SM-BB92-41B, SM-BB72-41B, SM-BB71-41B, BB-RS500-PBChain:CN-M981, CN-M980, CN-HG95, CN-HG94, CN-HG75, CN-HG74, CN-HG54Features:pedal harder and ride fasteroptimal balance of stiffness and low weight4-arm crank constructionfun to ride due to smooth shifting under the most varied conditions" rider tuned" 10-speed shiftingrefined chainring shapecrank arms and large/middle chainring anodised, small chainring platedstainless steel chainring boltsTechnology:2-Piece Crankset With the 2-piece designed cranks from Shimano, the right crank arm is precisely matched to the interaction with the bottom bracket. This increases the stiffness and keeps the weight low. Further spaced bearings also improve strength and contribute to more pedalling efficiency. The precision manufacturing of the bearings ensures easy installation and low maintenance. 2-Piece cranks share a 24mm axle diameter with Hollowtech II cranks, so they are also compatible with Hollowtech II bottom brackets. Manufacturer Numbers:170.0 mm 30-39-50:E-FC4703CX090172.5 mm 30-39-50:E-FC4703DX090175.0 mm 30-39-50:E-FC4703EX090Contents:1 x (30-39-50 tooth)1 x Shimano crank bolt Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com