SRAM RED Flattop Chain - 12/13-Speed 126 Links Flattop PowerLock Silver E1 Rim Depth (mm)-60 Shimanos Ultegra ST-R8170 brake levers

Shimanos Ultegra ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimanos proven SERVO-WAVE technology

}Shimano Alfine S501 39t 130mm Chainring Black for Double Guard

Thwart would-be bike thieves by disabling the motor with a press of a button so nobody can turn the motor back on without your personalized pin

Shadow low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes

SRAM RED Flattop Chain - 12/13-Speed 126 Links Flattop PowerLock Silver E1 Rim Depth (mm)-60 Shimanos Ultegra ST-R8170 brake leversHollowPin construction is lighter and stronger than a solid pin, and cutouts in the outer and inner plates drop 13 g from the previous generation. Flattop technology enables a narrower chain with quieter operation and increased strength and durability Hard Chrome plated inner link plates and rollers for reduced wear and prolonged life. SRAM Model ID: CN RED E1 TECH SPECS Link Type Powerlock Links 126 Speed 12 e Bike approved No Primary Color Silver