SUMMUM MX
200MM
200MM
DOWNHILL
The fastest discipline needs the fastest bike. Beautifully designed and refined for racing on the most extreme downhill tracks, under some of the world's best riders.
The Summum is our all-out, flat-out, downhill offering, built to spend every second at the absolute limit, on the toughest terrain you can ride.
FORWARD GEOMETRY
LEARN MORESTEALTH ALLOY
LEARN MOREZERO SUSPENSION
LEARN MORECOMPONENTS
technical specs
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
Sizes
S / M / L / XL Mullet
REAR SHOCK
Rock Shox Super Deluxe Coil Select R, 225x70mm. LNM ST B1, Linear rebound, Medium compression, spring preload. Trunnion top mount, 30x8mm bottom bushings
SHOCK SETTINGS
Medium compression, linear rebound. Spring rate: S size 400 lbs, M size 450 lbs, L size 500 lbs, XL size 500 lbs
Fork
Rockshox Boxxer Select RC 29, 200mm, DebonAir+, 1-1/8” steerer tube, Boost 20x110mm axle, offset 52mm. Settings: low-speed compression, rebound, air preload
Headset
Onoff Mercurium 1.5 ZS for 1-1/8” steerer tube, 41x30.15x7x45ºx45º ACB sealed bearings, geometry kit cups, external diameter 56mm
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 Twin, 1lock-on, 135mm
SEATPOST
SDG Micro I-Beam SP-751 Alloy, diameter 31.6mm, length 300mm, micro-adjustment
SADDLE
SDG I-Fly 2.0 I-Beam, high-density PU foam, Cordura sides
FRONT BRAKE
Sram DB8, oversized 4-piston caliper, Centerline 220mm IS 6 bolts one-piece rotor, steel-backed metal sintered pads
REAR BRAKE
Sram DB8, oversized 4-piston caliper, Centerline 203mm IS 6 bolts one-piece rotor, steel-backed metal sintered pads
BRAKE LEVER
Sram DB8, tool reach adjust, lever pivot bushings
RIMS
Mavic Deemax BikePark 29/27.5, 30mm internal width, 32 holes
SPOKES
Mavic 32 steel flat spokes
FRONT HUB
Mavic Boost 20x110mm, IS 6 bolts
REAR HUB
Mavic 12x157mm, ID360 freewheel, sealed bearings, IS 6 bolts, HG freehub
FRONT TYRE
Michelin DH34 29x2.4, tubeless ready, Magi-X DH compound, double-reinforced DH shield casing, wire bead
REAR TYRE
Michelin DH34 27.5x2.4, tubeless ready, Magi-X DH compound, double-reinforced DH shield casing, wire bead
CRANKSET
Sram Truvativ Descendant DH, DUB axle, Direct mount chain ring, 165mm CL 56´5
RINGS
34T, steel, X-SYNC
BOTTOM BRACKET
Sram DUB BSA, sealed bearings, 83mm
CHAIN
Sram PC1110 11s, Powerlock
Front Derrailleur
E.13 Vario Compact Upper Slider, Alloy backplate, DMB (Direct mount Bashguard) Lower Slider 34-36t, ISCG 05 adjustable upper slider
REAR DERAILLEUR
Sram GX DH, 7s, medium cage, X-actuation 1:1
SHIFT LEVERS
Sram trigger GX DH 7s, X-actuation 1:1
CASSETTE
Sram PG 720 11-25T, 7s
DERAILLEUR HANGER
Mondraker M068
OTHERS
*Optional geometry kit: +-1º / +-2º headset cups
WEIGHT
18.4 kg
SUMMUM MX
SIZES
GEOMETRY
FRAME SIZE
|
S | M | L | XL | |
---|---|---|---|---|---|
A | Seattube length | 400 mm | 400 mm | 400 mm | 400 mm |
B | Toptube length | 576 mm | 596 mm | 621 mm | 646 mm |
C | Bottom bracket drop | 0 mm | 0 mm | 0 mm | 0 mm |
D | Bottom bracket height | 350 mm | 350 mm | 350 mm | 350 mm |
E | Chainstay length | 450 mm | 450 mm | 450 mm | 450 mm |
F | Seat tube angle | 69° | 69° | 69° | 69° |
G | Effective seattube angle | 77° | 77° | 77° | 77° |
H | Headtube angle | 63.5° | 63,5º | 63,5º | 63,5º |
I | Fork Offset | 58 mm | 58 mm | 58 mm | 58 mm |
J | Wheelbase | 1256 | 1270 mm | 1301 mm | 1326 mm |
K | Headtube length | 112 mm | 112 mm | 112 mm | 112 mm |
L | Reach | 430 mm | 450 mm | 475 mm | 500 mm |
M | Stack | 632 mm | 632 mm | 632 mm | 632 mm |