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Today’s DealsSUPREME 20
A 20″ aluminum frame general youth bike with tektro hydraulic disc brakes.
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Manufacturer Price
$1,699| Weight | 24.5 lbs |
|---|---|
| Frame | Aluminum |
| Suspension | Full, 100 / 120mm |
| Shock | RockShox Monarch R |
| Wheels | 20″ Aluminum |
| Drivetrain | Single-speed |
| Brakes | Tektro Hydraulic Disc |
Summary
The Commençal Supreme excels in downhill and enduro performance with its innovative HPP suspension system, providing exceptional bump absorption, stability, and grip on rough terrain. However, it can feel heavy and less efficient on flatter trails, with some models experiencing pedal kickback. It is praised for its value and race-ready capabilities but may not suit all riders due to its specialized nature.
Incredible bump taming and high-speed performance
Innovative HPP suspension design for stability and grip
Good value with solid components
Available in multiple wheel sizes for versatility
Ready for racing out of the box
Heavy and draggy when pedaling
Short reach and less playful handling
Pedal kickback in some models
Requires adaptation to maximize performance
Not suitable for all terrains or rider preferences
The capacity of the rear end to swallow up punishment is gob smacking.
It’s a bike that finds it easy to make up speed in rough areas all with unparalleled stability. It’s trademark: speed.
Charging into rough rock gardens and braking bumps is unreal - I tried a section in Pila faster and faster, and the Supreme was the first bike I have ever ridden that genuinely became easier to handle the harder I pushed it.Pinkbike
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Jul 2018 · Paul Aston
The Supreme was ready to ride out of the box, I changed down a spring weight on the Fox DHX2 shock from 450lb to 400lb, pumped up the fork to 76psi, opened up most of the compression front and rear, and set the rebound on the fast side with a couple of extra clicks on the shock's HSR to for a little more control under big hits..
Unbeatable bump and high-speed performance
Ready to go racing out of the box
Great price and specification
Requires some adaptation to get the best out of the bike
Falls off chairlifts and shuttle trailers and might not fit in your car or garage
May make you ride too fast for your own safety

Dec 2017
Commencal commits to 29, releasing the big wheeled version of their World Cup proven Supreme DH.
Jul 2017 · Saris Mercanti
While most 180mm bikes are targeted towards the gravity racing realm, Commencal took a different approach with the new Supreme SX. - Mtbr.com

Dec 2016 · Jon Woodhouse
Mind blowing rough terrain performance, but it could do with a bit more length and a diet. Buy if you want to hit the roughest and toughest descents and don’t care about pedalling performance
Incredible bump taming performance with a solid parts package
Short reach, draggy when pedalling and rather hefty too
| Frame | 2018 SUPREME 20, 6066 alloy hydroformed |
|---|---|
| Fork | RIDE ALPHA Prodigy 20", 120 mm, air spring, 15 mm TA Travel: 120mm Spring Type: Air |
| Shock | ROCK SHOX MONARCH R 152 x 31 mm Travel: 100mm |
| Bottom Bracket | RIDE ALPHA EB24 73 mm sealed bearings |
| Headset | RIDE ALPHA ZS44 / ZS56 |
| Stem | NEW RIDE ALPHA, aluminium 6061, 40 mm, 31.8 mm, 0° angle |
| Handlebar | RIDE ALPHA Kids, Alloy 6061, 0,75" rise, 600 mm, 31.8 mm |
| Saddle | RIDE ALPHA Kids Pivotal |
| Seatpost | RIDE ALPHA Kids, alloy Pivotal, 31.6 mm, 300 mm Type: Rigid |
| Pedals | N/A |
| Grips | COMMENCAL lock on, soft compound |
| Rear Derailleur | |
|---|---|
| Crank | RIDE ALPHA 2 pieces crankset, 34T, 145 mm |
| Shifters | |
| Cassette | 15T sprocket |
| Chain | YABAN, single speed |
| Chain Guide | N/A |
| Brakes | NEW TEKTRO HD-M M282, kids specific, hydraulic disc brake 180 mm / 160 mm Type: Tektro Hydraulic Disc |
| Brake Levers | Tektro HD-M M282 |
| Rims | ALEXRIMS MD30, 32 holes, 30 mm inner width |
|---|---|
| Spokes | Pillar, stainless steel, 2mm, black, Nylock, 32 count front and rear |
| Front Hub | FORMULA DH, 32 holes |
| Rear Hub | FORMULA DH, 32 holes |
| Tires | KENDA KINETICS 20" x 2.35" |
First added August 7
Last updated September 3
Not listed for 2,828 days