Bafang Rook and Colt Nylon Gears

$ 70 USD

Set of 3 gears for Rook and Colt 500W motor. Works for all 2016-2021+ 


Customer Reviews
4.7 Based on 62 Reviews
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Craig K.
United States United States


I'll give a thorough review just as soon as all the missing items are rec. Thanks Craig Kerschen

Mike R.
United States United States

Great Support

In December of 2021 I ordered a "mail-order" ebike after doing research. This bike was my first. I put 700 miles on it during the year. In that time I learned what I like and don't like. With this experience I found the Rook to be the perfect bike for me. I don't need a fat tire bike because my riding is on streets and gravel trails. Other features I found worked for me is the step-through frame, 2.4" wide tires, comprehensive display, front suspension, comfortable handle bars and of course, torque drive. Another BIG advantage is the dealership network. It's a big benefit to be able to go to a local dealership if necessary. In my case the dealership is an hour away. The bike's display was defective but rather than driving the hour to the dealership for the repair, I reached out to Surface 604 support. Because it is the middle of winter, I'm not able to ride so I had time. Surface 604 sent a replacement promptly. I thank Surface 604 for their support.

Harold M.
United States United States

1500 mi / 2400 km and counting on my 2021 S604 Rook

This bike was by no means cheap, but it is packed with features. S604 offers a really solid and well thought-out bike for the money. As the title says, I've ridden over 1500 miles on this Rook in less than 9 months. It has not been entirely problem free, but the two problems I had were relatively minor and really not the fault of S604, but they were nevertheless sorted out with help from Mitchel and my local bike shop. I have the 21Ah battery, NCX seatpost, and a few other accessories I have added myself. I usually keep the PAS set to 3-5, because don't like to pedal too hard (hence reason for the ebike!) With the upgraded 21Ah battery, my range is realistically close to 40miles on my moderately hilly mixed suburban and rural routes. YMMV, of course. The Panaracer moped tires that came with it have been good. Decent traction and no flats so far, but I've probably been lucky. I do a lot of riding on shoulders which means I drive over broken glass, bits of wire, etc. I do recommend you practice how to change a flat before riding. I had to learn for a repair I did in my garage and with the rear hub motor + wires + spacers, etc, it would not be trivial to repair a flat on the side of the road even if you've done it before. In all, I have very few complains. I likely will also be in the market for a more powerful mid-drive fat bike soon and I'd definitely consider Surface604 if they had an offering in this niche. If you're on the fence, my advice is jump right in with Surface604. The time you spend researching it could be time out on the road riding your new ebike!

Joe B.
United States United States

It's actually a Colt!

Great Experience (so far)! The bike seems solid & was easy to put together on delivery. Everything was 'buttoned-up' very nicely - cables bound & attached. Just had to put a few things on & didn't even need instructions! Ordered a Rook, but changed my mind & Mitchel was hugely helpful in getting it changed to a Colt. He was very responsive with questions of the order & I couldn't be happier w/ the cust. service. My only 'hmmm' comment would be that I thought my wife's older ('17) Rook's battery would/might fit my newer ('21) Colt... but it's about 1.5" too long for my bike. That's ok thou - can't take any points away for that... diff. year & model. Very happy overall & excited to get on some greenways!

Larry B.
United States United States

The bike looks a d feels really good but I can't really give an honest review yet as I am still waiting on the battery to show up.