Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Travel Front 203mm -
Travel Rear 200mm -
Fork Fox Performance Float 40
-
Groupset GX, e*thirteen -
Suspension Full -
Drivetrain 1 × 7 -
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
Summum 29 6061 Alloy Stealth Evo, hydroformed tubing, Zero suspension system, 200mm travel, Forward Geometry, alloy upper link with shock eyelet bearings, SuperBoost 12x157mm rear axle, 83mm BSA bottom bracket, MAX. capacity dual row Enduro bearings, HHG internal cable routing, ISCG 05. *Optional Geometry kit.
Suspension Fork
Fox 40 29 Float FIT GRIP EVOL Performance, 203mm, air spring, 1-1/8” steerer tube, 20x110mm axle, offset 56mm. Settings: low-speed compression, low-speed rebound, air preload
Rear Shock
Fox DHX2 Performance Elite, 225x70mm. Settings: low-speed compression, low-speed rebound, spring preload. Trunnion top mount, 30x8mm bottom bushings
Drivetrain
Rear Derailleur
SRAM GX DH, 7s, medium cage, X-actuation 1:1
Front Derailleur
E.13 Vario Compact Upper Slider,Alloy backplate,DMB (Direct mount Bashguard) Lower Slider 34-36t, ISCG 05 adjustable upper slider
Shift Levers
SRAM trigger GX DH 7s, X-actuation 1:1
Crank
Truvativ Descendant DH, DUB axle, Direct mount chain ring, 165mm, Rings: 34T, steel, X-SYNC
Bottom Bracket
SRAM DUB BSA, sealed bearings, 83mm
Chain
SRAM PC1110 11s, Powerlock
Wheels
Front Hub
e*thirteen Boost 20x110mm, triple-sealed, fully machined aluminum, IS 6 bolts
Rear Hub
e*thirteen Superboost 12x157mm, triple-sealed, fully machined aluminum w/6-degree engagement, IS 6 bolts
Rims
e*thirteen LG1 Plus DH, IW29 29" Hookless, 6069 Welded Aluminum, 30mm internal width, tubeless ready, 32 spokes
Spokes
e*thirteen custom Hive triple-butted black steel, alloy nipples, nipple washers
Tires
Front: Michelin DH34 29x2.4, tubeless ready, Magi-X DH compound, double-reinforced DH shield casing, wire bead, Rear: Michelin DH34 29x2.4, tubeless ready, Magi-X DH compound, double-reinforced DH shield casing, wire bead
Brakes
Brakes
Front: SRAM Code R, oversized 4-piston caliper, Centerline 220mm IS 6 bolts one-piece rotor, steel-backed metal sintered pads, Rear: SRAM Code R, oversized 4-piston caliper, Centerline 220mm IS 6 bolts one-piece rotor, 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: 800mm, 9º backsweep, 5º upsweep, 31.8mm barbore
Grips
Onoff Desert, 1lock-on, 135mm
Headset
Onoff Mercurium 1.5 ZS for 1-1/8” steerer tube, 41x30.15x7x45ºx45º 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, diameter 31.6mm, length 300mm, micro-adjustment
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.482 mm | 1.422 mm | 1.347 mm | 1.279 mm |
| Bottom Bracket Height | 350 mm | 350 mm | 350 mm | 350 mm |
| Rake | 56 mm | 56 mm | 56 mm | 56 mm |
| Stack | 633 mm | 633 mm | 633 mm | 633 mm |
| Reach | 427 mm | 445 mm | 470 mm | 495 mm |
| Top Tube Length | 577 mm | 596 mm | 622 mm | 647 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 400 mm | 400 mm | 400 mm | 400 mm |
| Head Tube Angle | 62.5 ° | 63 ° | 63 ° | 63 ° |
| Head Tube Length | 110 mm | 110 mm | 110 mm | 110 mm |
| Chainstay Length | 460 mm | 460 mm | 460 mm | 460 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 CARBON R MX is part of the Mondraker Summum model. There are 35 bikes that carry this model name. Take a sneak peek at all Mondraker Summum bikes models from 2023, by clicking here.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Downhill bikes
Our math shows that the average cost of a dependable Downhill bike is 3391$. However, even if your budget is less than the average, you might still be able to get a top-quality Downhill bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Downhill bikes average weight
If we make a quick analysis of the average weight of a Downhill bike, we get 15.89 kg (35.03 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
Weighing 16.9 kg (37.26 lbs), the SUMMUM CARBON R MX model is a bit heavier than average. In other words, this model is 6.36% heavier than the average Downhill bike.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
SUMMUM CARBON R MX components
Fork
The Fox Performance Float 40 is included from the factory. It has a travel distance of 203mm. 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 DHX2 Performance Elite, with a travel distance of 200mm. Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. To sum up, always consider getting a bike that has a rear shock as well.
Wheels
When it comes to wheels, the SUMMUM CARBON R MX bike is equipped with the 29″ aluminum model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, the 29″ wheels will add a little more weight to the bike itself.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The SUMMUM CARBON R MX comes with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
Sizes
Mondraker SUMMUM CARBON R MX bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, it won’t be difficult to find the right one for you.