The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shiftsUltegra Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitmentEW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech front mech battery and to the handlebar battery indicator junction boxEW-SD50 individual wires are available in varying lengths there is no need (or facility) to cut these cablesReliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shiftsUltegra Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitmentEW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech front mech battery and to the handlebar battery indicator junction boxEW-SD50 individual wires are available in varying lengths there is no need (or facility) to cut these cablesReliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shiftsUltegra Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitmentEW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech front mech battery and to the handlebar battery indicator junction boxEW-SD50 individual wires are available in varying lengths there is no need (or facility) to cut these cablesReliable and secure water resistant connectors
SM-JC40 cable junction for external wire routingJunction is required for connection of rear mech front mech battery and cable to battery indicator junction boxTo be mounted on bottom bracket cable guide threaded fitmentCables sold separatelyReliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shifts Ultegra Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD50 wires are required to connect the junction (either SM-JC40 external or SM-JC41 internal to the rear mech front mech battery and to the handlebar battery indicator junction box EW-SD50 individual wires are available in varying lengths there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
SM-JC41 cable junction for internal wire routingJunction is required for connection of rear mech front mech battery and cable to battery indicator junction boxTo be positioned neatly inside frame tubing when connectedCables sold separatelyReliable and secure water resistant connectors
High performance 10-speed Road cassetteHyperglide sprockets have a computer designed tooth configuration with contoured shift gates resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlThree largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigiditySprockets are cut away and drilled to further reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionChrome-plated steel cassette lockringFor Super Narrow 10-speed HG chainsWeight: 235 g for 11 - 23T
Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance even under the most demanding gear changesHyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wearWide gear range to meet the demands of all types of riderWeight 208 grams (11-23 teeth)
Super Narrow Hyperglide (HG) series 10-speed compatible directional chain recommended for Tiagra drivetrains. Chain uses a directional design with specifically shaped inner and outer plates to optimise shifting over the chainset and cassette. Outer plate design has been developed to reduce the chance of chain suck The inner plate has been developed for better contact with gears providing smoother shifting under high load giving efficient pedalling increased rigidity and near silent running For use with double chainset only 5.88 mm chain width optimised for 10-speed Super Narrow HG drivetrains Corrosion-resistant grey finish on outer plates 116 links 277 grams (114 links)
High quality 9-speed cassetteHyperglide sprockets have a computer designed tooth configuration with contoured shift gates resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use ofenergy through finer cadence controlSprockets are cut away and drilled to reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionCorrosion-resistant steel cassette lockringFor Super Narrow 9-speed HG chainsWeight: 358 grams for 11 - 32T
Taking many features from pro-level equipment this 2-piece cap-free design Tiagra chainset offers unbeatable performance2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assemblySG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shiftingDesigned to work with HollowTech II type bottom bracket cupsCompatible with 10-speed HG-X chainsAnodized aluminium crank armsLightweight aluminium chainrings4 arm 110 mm bolt circle diameter
Good value Tiagra calliper brakeSuper SLR dual pivot design keeps operating friction to a minimum improving braking performanceEnhanced brake arch proportions give a quicker linear response and increased power49 mm dropLightweight aluminium calliper design with tough anodised finishToe-in adjustable brake shoes for perfect pad alignmentDurable quick release for fast and easy wheel removal