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Unfortunately the CPI doesn't factor in bicycle parts, but this issue is certainly not limited to Giant. Best to buy bike parts now.

I don't think they are worth all that much but you never know. I bought one for my son, new, so he could get to work. When he moved away the bike returned to me, and I noticed that the spoke holes were cracking in the rim. So I took the motor out of the rim and put it in a 26" wheel. With the...

What gear were you in when riding up your driveway? Hopefully you downshift. The installed freehub might not be capable of handling the 170Nm of torque your mid-drive can produce.

I recently bought a full-face motorcycle helmet, and it is one serious head case. You put it on and you are imprisoned in the thing. I guess you need that in high speed head falls. I would not like that in a bike helmet, but then again I come from a time before bicycle helmets. I remember...

Looks like nothing more than marketing hype. I mean, show me the motors and battery, and how it's all hooked up. It looks like it would be quite uncomfortable in use.

LFP cells have a lower voltage than Li-ion, so you need more in series to get your nominal voltage. I have many surplused A123 LFP cells. 50 amp current rating per cell but only 2500mah per cell. They make great batteries, if you don't mind the size or weight.

LFP batteries are bigger and heavier for the same power rating as LI-ion. Their power density has been going up, but so has Li-ion. As a battery designer, one would need to balance all of the parameters. Myself, I recently bought some 18650 battery cells and they are 3500mah, almost twice the...

Spent my High School years body surfing and skim boarding on those beaches. That area has special significance for me. Thanks for the journey down memory lane.

Specialized roubaix, guessing 2007. Bought used a year and a half ago, $100 :). A non-profit bike shop went through some changes and jettisoned a bunch of bikes. I picked up 6 for something less than $400. This was one of them. It was in unused condition. My assumption is someone bought it for...

Some bikes go downhill at 40mph easy, no pedaling needed.: Kinda makes me pucker up when I do. MIPS helmet.

Those fat white walls give that bike class!

I would just assume you would need to pull the crank, but maybe not. As it's a hub drive it shouldn't be a problem to change the chainring, and neither is removing the crank with the proper tool. You can try to remove the chainring as it sits. Best to post pictures focused on the area of your...

I have a 20" folder, but it's not a fatty :confused:. Bought on clearance in 2022, the age before the 20" fat tire folder.

Nice looking step-thru. Though you might need to find the saddle that's just right for you.

I was sitting outside listening to music at a bar in my local state park and saw a number of ebikes ride by. They all looked the same, and I thought those 20 inch fatties are sure popular. Then I saw this article about just that style: a 20 inch fat tired folder...

I like my pour over coffee. Fresh ground, black but not bitter. Maybe an acquired taste.

I would think an ebike would be integral to what you plan to do.

There might be an art in getting a cheap bike good enough at a low cost. Getting this thing to ride well probably comes down to wheels and tires. I do think it would be easy enough to fit quality wider tires to the existing wheels, though then the installed fenders won't fit. My next thing is...

A hub motor bike shouldn't need an ebike rated chain because the chain has less load than even a pedal bike. If he's breaking chains there is something else wrong.

Weighs about 60 pounds. Bike needs a good saddle (and a suspension seat post would be nice too). Brakes need improvement. Kind of skinny tires, which is not a popular thing nowadays.