Or 3 SPEED "SUICIDE" SHIFTER / INDEXER / Machined CNC MOUNT. Ĥ.) YOUR CHOICE HANDLEBAR MOUNTED "THUMB" SHIFTER. I typically engineer a chainguard from flexible alum. STOCK Chainguard can be retro-fitted using spacers - if A Crank removal tool is included with kit. It is necessary to offset the Bicycle Sprocket to use this system. You plan to keep your existing mount - I always send additional spacer/washers to allow you to achieve proper motor chain/gear alignment.ģ.) STOCK CRANK HAS TO BE REPLACED - Choose Black or Silver Chain Ring and Black or Silver Crank arm set. OUR 'Jackshaft Component' is designed to line up perfectly with our Machined Mount. Motor Mount is not included in this transmission "kit" - it is sold seperately. Chain Alignment is everything on a "Kit" like this. Our Transmission gives you (both) a THREE (3) speed bicycle and when you release the clutch, a THREE (3) speed motorizedĢ.) PRECISION MACHINED STINGRAY SPECIFIC MOTOR MOUNT. The outside gear RIGHT SIDE is a freewheel connected to the bicycle crank. The INSIDE RIGHT gear drives the 3 speed REAR Hub. Motor Drives LEFT SIDE gear on jackshaft which turns the shaft & gears on the right side. ġ.) STINGRAY SPECIFIC JACKSHAFT 'COMPONENT' -The However, Transmission "kit" listed belowĭoes not include motor or motor mounts. MOCK-UP of our Transmission System shown in the photo with MOTOR & MOUNTS. NEW - now offering ES model Grubee motors which allow for drill start w/ 20volt portable drill Pedal bike in 3rd, stop pedaling (drop ) shifter into first - then release clutch lever and ROLLING START : We have a technique for pedal starting your bike after trans system was installed. Watch video "kickstarting is very easy to do => see video below. NOTE: The transmission system does not allow for 'Bump starting' does not work with this THIRD GEAR = OVERDRIVE! - 3rd gear is 133% of 2nd gear which is a 33% increase of your TOP END! This means youĬan cruise = fast & smooth with the engine running at lower rpms! Using my Kit #5 and #6 have reached 50+ mph. "Rev"/ the throttle up to around 32 mph in 2nd then, reach back and drop it into 3rd! CLUTCH IS NOT USED FOR SHIFTING w/ this SECOND GEAR - Operates very close to the same gear ratio of our standard Motorized Stingray Kit with a 38 Tooth Rearĭrive gear. * SHIFTS WITH A SIMPLE 'CLICK' OF SHIFTERįIRST GEAR - In 1st gear, throttle up to around 20 mph or so then, remove hand from throttle and simply click stick shift forward A FEW of the many BENEFITS OF OUR 3 SPEED TRANSMISSION SYSTEM / KIT
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