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Grom Top Speed.... Kinda

4874 Views 13 Replies 9 Participants Last post by  thegodfatherpart
The fastest Ive ever gotten the Grom on flat-ish ground. Drafted my truck for it. Hit 69mph at about 9000rpm. For reference I am 6'2" 185lbs

MrGrody Grom File Ep 7 (Top Speed Drafting) - YouTube
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Woodlow and I have both also seen 69-70 drafting each other. With him upfront and up a tooth on the front sprocket I can cruise those speeds stock gearing.


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Yea, that sounds about right. I've got a 16t ooh front sprocket because to spend a lot of time doing 55-60ish to and from work. Maxed out on phone gps app doing 70
I'm 5'10" 195-200 pending what the GF made for dinner lol
With my 14t sprocket i get 79 mph (127kmh)
I heard the speedo is wrong by 11kmh with the 14t
14t full tuck no draft on flats i've hit 76 gps'd
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I've been contemplating moving back down to the stock 15t to see if it'll bring 4th gear a little more pull since I've added the exhaust.. or may just buy a 14t and have all three for what riding mood i'm in
Can we get these in America yet, or are you guys buying from Europe or Thailand?
Can we get these in America yet, or are you guys buying from Europe or Thailand?
Bought in US back in August. The first batch shipped over was limited and most people put a deposit down & waited weeks for them to arrive.
Can we get these in America yet, or are you guys buying from Europe or Thailand?
Also bought mine usa. California.

I'm running a stock set up to get the 69 mph.
I've been contemplating moving back down to the stock 15t to see if it'll bring 4th gear a little more pull since I've added the exhaust.. or may just buy a 14t and have all three for what riding mood i'm in
i went back to a 15t after all my mods and hated it. 14t went riiiiight back on.
saw 69mph indicated this weekend.
170lb rider
steep downhill
full tuck/low bar/rearsets
13t front

flat i will rarely see over 63 though
Ran 86mph in the quarter. But it’s fully built Koso 170 injectors stretch nitrous ARacer and run on a 110 fuel mix.
Yea, that sounds about right. I've got a 16t ooh front sprocket because to spend a lot of time doing 55-60ish to and from work. Maxed out on phone gps app doing 70
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