Sram Braze-On Adaptor Wide Spacing (47.5 Chainline ) With Chain Spotter Stop

Sram Braze-On Adaptor Wide Spacing (47.5 Chainline ) With Chain Spotter Stop

SRAM was founded on a single product in 1987 and introduced the Grip Shift (or twist shift) shifter to the road bike market in 1988. In 1991 that technology was adapted for mountain bikes, and SRAM quickly grew.

SRAM's story begins In early 1987 with founder Stan Day training for and racing in triathlons. Stan was convinced there was a better way to shift and found that reaching for the downtube to shift gears was awkward and inefficient. "Why couldn't you put the shifter on the handlebar?" he asked. "You rotate a grip, and the gear changes."

While on a ski trip in Colorado, Stan made his handlebar twist shifting presentation to a friend, and brilliant engineer, Sam Patterson. Sam went back to his garage in San Diego, tinkered around for a few months, and came up with a prototype for a twist shifter by late spring. Grip Shift was born.

Sram Braze-On Adaptor Wide Spacing (47.5 Chainline ) With Chain Spotter Stop

SRAM front derailleur braze-on clamp adapter is designed to work with the SRAM front derailleur and includes a flush side to correctly hold the derailleur as well as a lip that provides a backing for the chain catcher screw, with chains potter stop.

Size: 31.8 mm or 34.9mm 

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