Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Travel Front 200mm -
Travel Rear 200mm -
Fork RockShox BoXXer Select
-
Groupset X7, X5 -
Suspension Full -
Drivetrain 1 × 9 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
RockShox BoXXer Select RC 27.5, DebonAir, 1-1/8" steerer tube, Boost 20x110mm axle, offset 46mm. 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 27.5, 32mm external width, 32 hole
Spokes
CN stainless steel
Tires
Michelin DH34 27.5"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 |
|---|---|---|
| Stack Reach Ratio | 1.395 mm | 1.333 mm |
| Bottom Bracket Height | 350 mm | 350 mm |
| Stack | 600 mm | 600 mm |
| Reach | 430 mm | 450 mm |
| Top Tube Length | 560 mm | 580 mm |
| Seat Tube Angle | 77 ° | 77 ° |
| Seat Tube Length | 400 mm | 400 mm |
| Head Tube Angle | 63 ° | 63 ° |
| Head Tube Length | 112 mm | 112 mm |
| Chainstay Length | 450 mm | 450 mm |
| Wheelbase | 1243 mm | 1263 mm |
| Bottom Bracket Drop | 5 mm | 5 mm |
| Wheels | 27" | 27" |
About this model
Summum 27.5 is part of the Mondraker Summum model. There are 35 bikes that carry this model name. You can easily view all of the Mondraker Summum bikes models from 2021, here.
Model range prices
Mondraker Summum 27.5 2021 is the most affordable bike of this model and has a price of 4599$. On the other hand, Mondraker Summum RR 29 2021, is the most expensive and costs 8199$.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Downhill bikes average price
Our math shows that the average cost of a dependable Downhill bike is 3391$. However, you could also get a good Downhill bike even if you pay a lower amount than the average price. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 4599$. Comparing this to the average Downhill bike price, we see that the price is 35.62% higher.
Summum 27.5 components
Fork
The fork installed on this bike is the RockShox BoXXer Select model. The travel on this model is 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
Mondraker Summum 27.5 bike has the FOX Van RC Performance model installed, and has a travel of 200mm. Bike rear shocks increase the riding comfort, and also give you more control over technical trails. To sum up, always consider getting a bike that has a rear shock as well.
Wheels size
When it comes to wheels, the Summum 27.5 bike is equipped with the 27.5″ aluminum model. The 27.5″ wheels are a great choice for smaller riders. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Mondraker Summum 27.5 has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.