The Summum with a 6061 Stealth Evo aluminum alloy frame, hydroformed tubing and HHG internal cable routing. It comes equipped with a Rockshox Boxxer Select RC 29, 200mm fork, DebonAir travel and a RockShox Super Deluxe Select R coil shock, 225x70mm.
- Setup:
- Frame: Summum 29 Alloy 6061 Stealth Evo, hydroformed tubing, Zero Suspension System, 200mm travel, Forward Geometry, alloy upper link with shock mount bearings, 12x157mm SuperBoost rear axle, 83mm BSA bottom bracket, HHG internal routing system, Enduro Bearings MAX dual bearings, ISCG 05. * Optional Geometry Kit
- Fork: Rockshox Boxxer Select RC 29, 200mm, DebonAir, 1-1/8” steerer, Boost 20x110mm axle, 56mm offset .
- Shock: Rock Shox Super Deluxe Select R spring, 225x70mm. LNM ST B1, Linear rebound, medium compression, spring preload. Trunnion top mount, 30x8mm lower bushings.
- Shock Setting: Medium compression, linear rebound. Spring rate (according to bike size): S=400 lbs, M=400 lbs, L=450 lbs, XL=500 lbs
- Headset: ONOFF Mercurium 1.5 ZS for 1-1/8” tube, 41×30.15x7x45ºx45º ACB sealed bearings, cup kit to change the geometry, external diameter 56mm
- Cockpit:
- Stem: ONOFF Krypton DH CNC FG integrated, 25-30mm adjustable, for 31.8mm bars, 6061, 2x6mm spacer
- Handlebars: ONOFF Sulfur 1.0 double butted 6061 alloy, rise: 20mm, width: 800mm, 9º backsweep, 5º upsweep, 31.8mm diameter
- Grips: ONOFF Desert, 1 lock-on, 135mm
- Seatpost: SDG Micro I-Beam SP-951 Carbon, diameter 31.6mm, length 300mm, micro-adjustable
- Saddle: SDG I-Fly 2.0 I-Beam, high-density PU foam, Cordura sidewalls
- Brakes:
- Brake Front: SRAM DB8, oversized 4-piston caliper, Centerline 220mm one-piece IS 6-bolt rotor, sintered sheet steel pads.
- Rear Brake: SRAM DB8, oversized 4-piston caliper, Centerline 203mm one-piece IS 6-bolt disc, sintered sheet steel pads.
- Brake levers: SRAM DB8, tool-less reach adjust
- Wheels and tires:
- Rims: MDK-DP1 29, 27mm inner width, 32 spokes
- Spokes: CN inox
- Front hub:MDK DA4371B-M20, Boost 20x110mm, IS 6 bolts
- Rear hub: MDK DA4352B, 12x157mm, bearings sealed, IS 6-bolt
- Front tire: Michelin DH34 29×2.4, tubeless ready, Magi-X DH compound, reinforced DH casing Shield, with rigid rim
- Rear tyre: Michelin DH34 29×2.4, tubeless ready, Magi-X DH compound, reinforced casing DH Shield, with rigid rim
- Drivetrain:
- Cranks:Truvativ Descendant DH, DUB spindle, “Direct Mount” chainring, 165mm
- Crankset:34, steel, X -SYNC
- Chain: SRAM PC1110 11v, Powerlock
- Rear derailleur: SRAM GX DH, 7v, medium cage, X-ACTUATION 1:1
- Controls : SRAM trigger GX DH 7v, X-ACTUATION 1:1
- Sprockets: SRAM PG 720 11-25T, 7v
- Approximate weight without pedals: 18 kg
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