Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 200mm -
Travel Rear 200mm -
Fork RockShox BoXXer Select
-
Groupset X7, X5 -
Suspension Full -
Drivetrain 1 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
RockShox BoXXer Select RC 29, DebonAir, 1-1/8" steerer tube, Boost 20x110mm axle, offset 56mm. Adjustments: low-speed compression, rebound, air preload.
Rear Shock
FOX Van RC Performance, 225x70mm. Adjustments: low-speed compression, low-speed rebound, spring preload. Trunnion top mount, 30x8mm bottom bushings. Settings: Light compression, light rebound. Spring rate: S: 400lbs / M: 450lbs / L/XL: 500lbs.
Drivetrain
Rear Derailleur
SRAM X7, 9-speed, short cage, X-ACTUATION 1:1
Front Derailleur
N/A
Shift Levers
SRAM trigger X5, 9-speed, X-ACTUATION 1:1
Cassette
SRAM PG-950, 11-26 tooth, 9-speed
Crank
Race Face Chester, alloy, 165mm
Bottom Bracket
83mm BSA
Chain
SRAM PC-951, 9-speed
Chain Guide
e*thirteen LG1 with DMB (direct mount bashguard) Gen2 Stealth idler, aluminum hardware, adjustable/replaceable lower armature, polycarbonate, adjustable upper slider
Pedals
None
Wheels
Front Hub
Front: MDK DA4371B-M20, Boost 20x110mm, IS 6-bolt, Rear: MDK DA4352B, 12x157mm, sealed bearings, IS 6-bolt
Rear Hub
Front: MDK DA4371B-M20, Boost 20x110mm, IS 6-bolt, Rear: MDK DA4352B, 12x157mm, sealed bearings, IS 6-bolt
Rims
MDK-DP1 29, 27mm internal width, 32 hole
Spokes
CN stainless steel
Tires
Michelin DH34 29"x2.4", tubeless ready, Magi-X DH compound, double-reinforced DH shield casing, wire bead
Brakes
Brakes
SRAM Code R, oversized 4-piston calipers, Centerline 200mm front/203mm rear IS 6-bolt one-piece rotors, steel-backed metal sintered pads
Brake Levers
SRAM Code R, tool-free reach adjust
Cockpit
Stem
ONOFF Krypton DH CNC Integrated FG, 25-30mm adjustable length, 31.8mm barbore, 6061 alloy, 2x6mm spacer
Handlebar
ONOFF Sulfur 1.0 double butted 6061 alloy, rise: 20mm, width: 780mm, 9° backsweep, 5° upsweep, 31.8mm barbore
Grips
ONOFF Desert, single lock-on, 135mm, sizes: S/M L/XL
Headset
ONOFF Mercurium 1.5 ZS for 1-1/8" steerer tube, 41x30.15x7x45°x45° ACB sealed bearings, geometry kit cups, external diameter 56mm
Seat
Saddle
SDG I-Fly 2.0 I-Beam, high-density PU foam, Cordura sides
Seatpost
SDG Micro I-Beam SP-751 Alloy, length 300mm, micro-adjustment
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.47 mm | 1.404 mm | 1.331 mm | 1.264 mm |
| Bottom Bracket Height | 350 mm | 350 mm | 350 mm | 350 mm |
| Stack | 632 mm | 632 mm | 632 mm | 632 mm |
| Reach | 430 mm | 450 mm | 475 mm | 500 mm |
| Top Tube Length | 573 mm | 593 mm | 618 mm | 643 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 400 mm | 400 mm | 400 mm | 400 mm |
| Head Tube Angle | 63.5 ° | 63.5 ° | 63.5 ° | 63.5 ° |
| Head Tube Length | 112 mm | 112 mm | 112 mm | 112 mm |
| Chainstay Length | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1260 mm | 1270 mm | 1295 mm | 1320 mm |
| Bottom Bracket Drop | 24 mm | 24 mm | 24 mm | 24 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Summum 29 is part of the Mondraker Summum model. Mondraker released 35 bikes variations of this model so far. You can get a glimpse at all models from 2021, by clicking on this link.
Model range prices
Mondraker Summum 27.5 2021 is the most economical model, with a starting price of 4599$. Mondraker Summum RR 29 2021 on the other hand costs 8199$, and is the most expensive model.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Downhill bikes average price
According to our calculations, the average cost of a Downhill bike that is reliable is 3391$. However, you could also get a good Downhill bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
This bike was released in 2021 and its price was 4599$. Comparing this to the average Downhill bike price, we see that the price is 35.62% higher.
Summum 29 components
Fork
The Summum 29 comes factory-installed with the RockShox BoXXer Select fork. This has a travel range of 200mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In conclusion, always look for a fork with decent travel when you buy a bike.
Rear Shock
The shock that’s installed on this bike is FOX Van RC Performance, with a travel distance of 200mm. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
The Summum 29 2021 bike is equipped with 29″ aluminum wheels when leaving the factory. Having 29″ wheels means that you need less fork travel, leading to a reduction of the pedal bob effect. However, 29″ wheels will make your bike react slower to obstacles you may encounter.
Brakes
For your safety, it is important to have quality breaks on your bike. Mondraker Summum 29 has Hydraulic Disc brakes installed. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.