The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Ultegra Di 2 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 & tidy fitment This kit contains SM-JC40 bottom bracket junction SM-BMR1 long external type bottle cage battery mount EW-SD50 individual wires: 1X 950 mm 1X 500 mm 2X 300 mm & SM-EWC2 black stick on wire covers: 3X 300 mm 3X 50 mm Ultegra Di 2 also requires a handlebar cable set to connect the shifters to a battery indicator junction box &40;comes with handlebar cable&41; External cable sets are ideal for upgrading your current bike to Ultegra Di 2 if it does not feature the internal cable routing option EW-SD50 individual wires are available in varying lengths there is no need &40;or facility&41; to cut these cables Reliable & secure water resistant connectors ...

The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts Ultegra Di 2 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 & tidy fitment This kit contains SM-JC41 internal junction SM-BMR1 long internal type bottle cage battery mount & EW-SD50 individual wires: 1X 1200 mm 1X 750 mm 1X 650 mm 1X 300 mm Internal cable sets are for bikes specifically designed for Di 2 to ensure clean lines & minimal rider interference Ultegra Di 2 also requires a handlebar cable set to connect the shifters to a battery indicator junction box &40;comes with handlebar cable&41; EW-SD50 individual wires are available in varying lengths there is no need &40;or facility&41; to cut these cables Reliable & secure water resistant connectors ...

High quality front derailleur for cycle frames with 28.6 mm b&-on mount Compatible with 8-speed drivetrain For use with double chainset Classic polished alloy Dura-Ace finish Lightweight aluminium alloy clamp & link assembly Chrome plated steel chain guide for corrosion resistance & precise shifts ...

Super smooth Dura-Ace bearings for low-friction performance right where you need it Large flange design Double-sided to allow two sprockets to be fitted Forged & anodised aluminium hub body 120 mm rear over locknut dimension Weight: only 313 grams (rear&44; with lock ring) ...

Hard-wearing chrome-moly single sprocket Accurately machined to run straight & true ensuring an even tension in the chain Engineered to complement Dura-Ace track hubs ...

The lightest 9-speed cassette available Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates&44; resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Four largest sprockets are mounted on a lightweight alloy carrier to reduce weight & increase rigidity Largest sprockets are made from titanium to reduce weight without sacrificing strength Sprockets are extensively cut away & drilled to further reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Alloy cassette lockring For Super Narrow 9-speed HG chains Weight: 160 grams for 12
- 23T
...

The lightest 9-speed cassette available Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates&44; resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Four largest sprockets are mounted on a lightweight alloy carrier to reduce weight & increase rigidity Largest sprockets are made from titanium to reduce weight without sacrificing strength Sprockets are extensively cut away & drilled to further reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Alloy cassette lockring For Super Narrow 9-speed HG chains Weight: 160 grams for 12
- 23T
...

High performance road-specific pad inserts designed to fit all Shimano Road Systems Compatible with Dura-Ace 7700 6500 & 5500 brakes Pad compound formulated for use with ceramic rim braking surface ...

Precision engineered Dura-Ace 7700 Bottom bracket for road Octalink splined system 22 mm diameter chrome-moly hollow pipe billet axle reduces weight Splined interface provides a more rigid crank assembly compared to tapered counterparts Compound bearing structure
- ball & needle bearings support the spindle to reduce flex Maintenance-free sealed cartridge design prevents corrosion & is easy to install Average weight 173 grams
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Precision engineered Dura-Ace 7700 Bottom bracket for road Octalink splined system 22 mm diameter chrome-moly hollow pipe billet axle reduces weight Splined interface provides a more rigid crank assembly compared to tapered counterparts Compound bearing structure
- ball & needle bearings support the spindle to reduce flex Maintenance-free sealed cartridge design prevents corrosion & is easy to install Average weight 173 grams
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