The all new Summum as seen on the World Cup DH circuit being used by Laurie Greenland and the MS Mondraker Factory downhill team. It has a new stealth alloy structure and zero kinematics with a metric trunnion shock. Double row sealed lower link bearings, adjustable head angle and a threaded bottom bracket. It is available in 27.5" and 29" options.
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 raw enduro bearings, hhg internal cable routing, iscg 05. *optional geometry kit
Sizes: S: 400mm / m: 400mm / l: 400mm / xl: 400mm
Rear shock: Fox dhx2 performance elite, 225x70mm. Settings: low-speed compression, low-speed rebound, spring preload. Trunnion top mount, 30x8mm bottom bushings
Shock settings: Ecc010 compression, ecr012 rebound. Spring rate: s size 400 lbs, m size 450 lbs, l/xl size 500 lbs
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
Headset: Onoff mercurium 1.5 zs for 1-1/8" steerer tube, 41x30.15x7x45°x45° 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: 780mm, 9° backsweep, 5° upsweep, 31.8mm barbore
Grips: Onoff desert, 1lock-on, 135mm, sizes: s/m l/xl
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 code r, oversized 4-piston caliper, centerline 200mm is 6 bolts one-piece rotor, steel-backed metal sintered pads
Rear brake: Sram code r, oversized 4-piston caliper, centerline 203mm is 6 bolts one-piece rotor, steel-backed metal sintered pads
Brake lever: Sram code r, tool-free reach adjust
Rims: E*thirteen lg1 plus dh, iw29 hookless, 6069 welded aluminum, 30mm internal width, tubeless ready, 32 spokes
Spokes: E*thirteen custom hive triple-butted black alloy, alloy nipples, nipple washers
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
Front tyre: Michelin dh34 29x2.4, tubeless ready, magi-x dh compound, double-reinforced dh shield casing, wire bead
Rear tyre: Michelin dh34 29x2.4, tubeless ready, magi-x dh compound, double-reinforced dh shield casing, wire bead
Crankset: Truvativ descendant dh, dub axle, direct mount chain ring, 165mm
Chainring: 34t, steel, x-sync
Bottom bracket: Sram dub bsa, sealed bearings, 83mm
Chain: Sram pc1110 11s, powerlock
Front derailleur: E.13 lg1+ race carbon chain guide, ifd dmb (direct mount bashguard) gen 2 stealth idler, aluminum hardware, adjustable/replaceable lower armature, polycarbonate, 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: +-1° / +-2° headset cups
WESTBROOK CYCLES DELIVERY NOTICE
FREE when you spend over £50.00 in a single order
Otherwise it's typically £3.99 per order
Delivery should be expected between 2-3 working days unless stated on product page.
Approximately 4-10 working days depending on country
via Parcelforce Signed Delivery (fully traceable service). Please add items to the basket to calculate delivery for desired country.
If your country isn't listed for delivery at checkout please contact us.
Delivery of Bikes
We ship all our bikes free of charge within the United Kingdom (excl. Jersey and the Channel Islands at this time) and all our bikes come pre-assembled with just a few tweaks required (Please see our Bike Build Instruction page for details of assembly required).
All our bikes undergo a safety check before being re-boxed for shipping which can during busy periods take a little longer to complete so whilst we aim to ship all our bikes within two working days of the order please allow for additional time for this process.
All our consignments irrespective of the carrier require a signature upon delivery, deliveries are typically made between 08:00 and 18:00 so please bare this in mind when choosing a delivery address.
We do try when possible to reuse packaging from our own suppliers in order to send purchased items to our customers, we ask if the packaging is still in good condition after you've received your goods then please try to use it again or recycle if not possible.