It's new bike day! Today, let's check out a new kids bike. As mentioned in the blog page, the Bestrider Pump Pro 20 is a 20 inch kids bike, which will replace the smaller Bestrider Pump Pro 16.
As what I did previously for the Pump Pro 16, I ordered the full bike, as it is not available in just the frameset. In any case, it is always good to see how everything was assembled on the full bike, before disassembling it for modifications.
Ordered from Taobao, shipped from China to Singapore. Lots of colours to choose from!
Fresh out of the box! Well packed with protection at all the right spots.
Assembly was pretty straightforward for me, since I have built so many bikes before. Just have to remove all the packaging, install the wheels, adjust the stem, then put on the handlebar.
I did not bother to tune or adjust the shifting or the brakes, since it was not going to be ridden in its stock condition. It was just to see how everything looks as a full bike, before it gets disassembled for modifications.
Claimed weight is 7.8 kg for the Pro version (which I got), while the Standard version is 8.5 kg. The difference is down to a lighter crankset, wheelset and tires. Later on, let's see if this is accurate or not.
Bestrider Pump Pro 20 assembled! The handlebar looks ridiculously high.
Bike frame design looks similar to the 16 inch version, just bigger.
Riser handlebars on a tall head tube puts the handlebar very high up.
Model number clearly shown on the top tube
Bestrider brand name labelled on the down tube
Bestrider logo at the front of the head tube.
Made with 6061 aluminium
Full length grips, with short reach Tektro brake levers. Very important for small kids hands.
Super short stem! Using a 31.8 mm diameter clamp for the handlebar.
Comes with the Shimano Altus SL-M310 8 speed shifters.
20 inch wheels with a 20 spoke front wheel.
Kenda Small Block Eight tires, which are knobbly tires for light off-road. Stock inner tube uses Schrader valves.
Claimed tire width is 20 x 1.75", or 47-406.
Max tire pressure for this tire is 65 PSI.
Stock 8 speed drivetrain!
MTB style 4-arm crankset, with a hollow spindle, very nice!
Simple but elegantly designed crank arms. These are shorter ones for kids.
Uses a Hollowtech bottom bracket to match the crankset.
Narrow wide chain rings! Very useful to prevent chain drop, without using a chain guard.
YBN 8 speed chain
Shimano Acera RD-M360 8 speed rear derailleur. Affordable and reliable.
11-32T 8 speed cassette. Can't tell if it is a Shimano cassette or not.
Tektro V-brakes on the front. There is a huge gap between the tire and the fork crown, not sure why.
Also Tektro V-brakes at the rear.
At the rear of the frame, there are IS disc brake mounts, which is surprising. Means you can install disc brakes at the rear if you have a matching disc brake compatible rear wheel.
Includes a lightweight kickstand, fixed to a dedicated mounting point.
Kids-sized saddle installed on the suspension seat post. I wonder who thought that a heavy suspension seat post would be good for a kids bike?
Saddle mounts directly to the seat post, with no adjustment possible. Lightweight, but unable to adjust to fit the rider well.
The stock saddle and seat post combination is pretty bad, with a non-adjustable saddle and heavy suspension seat post that is pointless in my opinion. Which is exactly why I changed them out on the previous Bestrider Pump Pro 16.
What I like about the stock setup on this bike:
1) Short reach Tektro brake levers
2) 4-arm crankset with hollow spindle
3) Narrow wide chain ring
What I dislike about the stock setup on this bike:
1) Heavy and pointless suspension seat post
2) Non-adjustable saddle design
3) High handlebar position
Luckily, all the parts that I dislike can be modified or removed, so it is not an issue. Check out the rest of the bike modifications on this page.
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