SDG utilized a half mushroom profile for palm comfort

Roadbike chain guide

547 / Schwinn S-5 - 24" x 1-3/8-1-1/4"

Compared to the SON 28 classic (model year 2000 to 2011) the idling losses could be reduced by approx

and lighter weight and reduced complexity for the daily commute

SHIMANO 105 R7000 Front Derailleur - 11-Speed - Braze-On - Black closeout SDG utilized a half mushroomSHIMANO 105 Front Derailleur Brazed On Mount Road 2x11 speed The new toggle construction on the SHIMANO 105 R7000 front derailleur incorporates an integrated cable tensioner and an optimized cage design that is compatible with disc brake road bikes. It is available in silver and black and braze on and clamp mountings. Model Number: FD R7000 F Series: 105 R7000 Series Color: Silky Black Average Weight: 95 Grams Cable Adjust: Yes Action: Down Swing