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Drivetrain

Shimano Ultegra R8050 Di2 Shadow Rear Derailleur
$369.99 - $379.99
Shimano Ultegra Di2 Shadow rear derailleur. - Sleek integrated appearance - New low-profile design - Shimano Shadow RD - Race endurance - Optimized slant angle - Maintain race concentration with more intuitive shift control - System communication with front derailleur - Shimano Synchronized Shift - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Average Weight: 242 grams (SS type), 249 grams (GS type)
Shimano Ultegra R8050 Di2 Front Derailleur
$309.99
Shimano Ultegra R8050 Di2 front derailleur. - Quick and smooth front shifting under high pedaling torque - Programmed control of chain guide - Shimano Synchronized shift - Full and semi synchronized shifting program - Redesigned to fit wider gear pitch without sacrificing shifting - Shorter length of rear center (410mm) with O.L.D. 135mm - System communication with rear derailleur, Programmed control of chainguide works for minimal chance of chain drop - Top Gear Teeth: 46-53T - Chain Stay Angle: 61-66 - Chain Line: 43.5 - Average Weight: 132 grams
OneUp Components 104 BCD NW Chainrigs
$60.99
- Narrow Wide tooth profile eliminates chain drop with the perfect chain mesh fit - Perfect chainline with 2mm Shims included with 32T and 34T rings (30T rings have built in offset). For a quieter drivetrain with improved chain wear and best drop performance - Aggressive crud chamfers for awesome mud shedding performance and extended ring life - Reinforced Wide tooth design provides maximum ring durability when run without a bash - Made from hard wearing 7075-T6 aluminum plate - 30T rings have integrated shims and chainring bolt threads to allow the smallest ring size possible on a 104 BCD crank (loose shims are only included with the 32T-36T sizes)
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