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Schlumpf Internal Bottom-Bracket Shifters


Schlumpf Hi-Speed Drive 2-spd Crank-Shifter — 2.5:1 ratio

CODE: schlumpfhispeed

$700.00
The Schlumpf 2-spd Drives offer Overdrive, Hi-Speed and Climbing Options with a kick of your heel! Shift from direct 1:1 Drive ratio to Overdrive or Underdrive(depending upon model) by kicking a button on the crank spindle-ends; Quick, Efficient, Compact
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Schlumpf Mountain Drive 2-spd Crank-Shifter — 2.5:1 Under-Drive

CODE: schlumpfmtn

$700.00
The Schlumpf 2-spd Drives offer Overdrive, Hi-Speed and Climbing Options with a kick of your heel! Shift from direct 1:1 Drive ratio to Overdrive or Underdrive(depending upon model) by kicking a button on the crank spindle-ends; Quick, Efficient, Compact
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Schlumpf Speed Drive 2-spd Crank-Shifter — 1.6:1 ratio Over-Drive

CODE: schlumpfspeed

$700.00
The Schlumpf 2-spd Drives offer Overdrive, Hi-Speed and Climbing Options with a kick of your heel! Shift from direct 1:1 Drive ratio to Overdrive or Underdrive(depending upon model) by kicking a button on the crank spindle-ends; Quick, Efficient, Compact
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