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Today’s DealsStorm 20 Disc
A 20″ aluminum frame mountain youth bike with modest components and mechanical disc brakes.
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Manufacturer Price
$599| Frame | Aluminum |
|---|---|
| Suspension | Rigid |
| Fork | Aluminum |
| Wheels | 20″ Aluminum |
| Drivetrain | 1 × 6 |
| Groupset | SunRace |
| Brakes | Mechanical Disc |
3'9" – 4'3"
None yet.
Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Jun 2019 · Jamie Darlow
The Norco Storm 4 is our only 29er on test and as such it gets off to a good start, rolling over rough ground more easily than the 27.5in wheel bikes.
Bigger 29in wheels smooth out the bumps. Great size range
The build kit doesn't maximise the frame's potential
| Frame | Aluminum HT Colors: Black / Yellow; Pink / Purple |
|---|---|
| Fork | Rigid Alloy |
| Bottom Bracket | Sealed Bearing, Square Taper |
| Headset | External Cup |
| Stem | Alloy, 45mm Length, 31.8mm Clamp |
| Handlebar | Alloy Jr., 540mm, 30mm Rise |
| Saddle | Norco Youth |
| Seatpost | Alloy 27.2mm Type: Rigid |
| Pedals | Jr. MTB Flat, Black |
| Grips | Norco Youth |
| Rear Derailleur | SunRace RDM36 |
|---|---|
| Crank | Alloy 3 Piece, 28T Narrow Wide, 140mm |
| Shifters | SunRace Twist Shift |
| Cassette | SunRace MF, 14-28T, 6 Speed |
| Chain | KMC Z6 |
| Brakes | Front: Mechanical Disc, Rear: Mechanical Disc Type: Mechanical Disc |
| Brake Levers | Alloy Jr., Reach Adjust |
| Rims | Aluminum Double Wall, 28H, 20" |
|---|---|
| Front Hub | Aluminum, 9x100mm, 6 Bolt |
| Rear Hub | Aluminum 10x135mm, HG, 6 Bolt |
| Tires | Front: Vee Crown Gem 2.25", Rear: Vee Crown Gem 2.25" |
| Disc Rotors | 160mm |
First added February 18
Last updated November 12
Not listed for 1,299 days