MSRP | $6,299 | $6,749 | $8,500 |
|---|---|---|---|
Where to Buy | $6,299 At Transition | $6,749 At Trek | $8,500 At Specialized |
Category | Trail | Trail | Trail |
Weight | 28.3 lbs | 28.7 lbs | 26.7 lbs |
| Carbon | Carbon | Carbon | |
Fork | Fox Performance Elite Float 34 | RockShox Pike Select+ | Fox Factory Float 34 |
Shock | Fox Float DPS Performance Elite | RockShox Deluxe Ultimate | Fox Float X Factory |
Wheels | Aluminum | Carbon | Carbon |
| 29″ | 29″ | 29″ | |
Brakes | Hydraulic Disc | Hydraulic Disc | Hydraulic Disc |
Groupset | GX Eagle | XT | X0 Eagle Transmission, X01 Eagle AXS |
Drivetrain | 1 × 12 | 1 × 12 | 1 × 12 Electronic |
Suspension | Full | Full | Full |
Front Travel | 120mm | 130mm | 130mm |
Rear Travel | 120mm | 120mm | 120mm |
Brand Site | |||
Summary | The Transition Spur GX, Trek Top Fuel 9.8 XT, and Specialized Epic 8 EVO Pro are all 29″ carbon frame full suspension trail bikes. The Spur GX has aluminum 29″ aluminum wheels, while the Epic 8 EVO Pro has better components and a better fork. | ||
Based on frame geometry and build specs.
Frame | Spur Carbon 120mm (Non-UDH) BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH Tire Clearance: 2.4" Colors: Aqua; Raw Carbon | OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120mm travel BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH Tire Clearance: 2.4" Colors: Aqua; Raw Carbon | FACT 11m Carbon, Progressive XC Race Geometry, Rider-First Engineered™, SWAT downtube storage, threaded BB, 12x148mm UDH compatible rear dropout, internal cable routing, 120mm of travel BB Standard: BSA, 73mm, Threaded Hanger Standard: UDH Tire Clearance: 2.4" Colors: Aqua; Raw Carbon |
|---|---|---|---|
Fork | Fox Float 34 Performance Elite Fit 4, (120mm) Travel: 130mm Spring Type: Air | RockShox Pike Select+, DebonAir spring, Charger 3 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 130mm travel Travel: 130mm Spring Type: Air | Fox 34 Factory, Grip2 Damper, 4 way adjust, 130mm travel, 44mm offset, 15x110mm Travel: 130mm Spring Type: Air |
Shock | Fox DPS Performance Elite, (190x45mm) Travel: 120mm Spring Type: Air | RockShox Deluxe Ultimate RCT, 185mm x 50mm Travel: 120mm Spring Type: Air | Fox Float Factory, Evol LV, Ride Dynamics Tuned, LSC/ Rebound adjust, 190x45mm Travel: 120mm Spring Type: Air |
Bottom Bracket | 73mm BSA Threaded | Shimano BB-MT501 BSA | SRAM DUB Threaded Wide |
Headset | FSA No.57E | Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom | |
Stem | ANVL Swage (40mm) | Raceface Turbine R, 50mm, 35mm clamp | |
Handlebar | ANVL Mandrel Alloy, SM/MD(800mm x 20mm) LG/XL(800x30) | Roval Control Rise Carbon Handlebar, 780mm wide, 20mm rise, 35mm | |
Saddle | ANVL Forge Cromo, or, SDG Bel Air 3 | Bontrager Arvada, austenite rails, 138mm width | Body Geometry Power Expert |
Seatpost | OneUp Dropper Post, SM(150mm) MD(180mm) LG/XL(210mm) | Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, ML, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length | Fox Transfer Factory, 30.9, 1X remote, (SM:125mm, MD: 150mm, L-XL: 175mm) |
Grips | ODI Elite Flow | Bontrager XR Trail Elite, nylon lock-on | Specialized Trail Grips |
Rear Derailleur | SRAM GX Eagle | Shimano XT M8100, long cage | SRAM X0 Eagle Transmission |
|---|---|---|---|
Crank | SRAM GX Eagle DUB, (32t/170mm) | Shimano XT M8120, 30T, 55mm chainline, 170mm length | SRAM X0 Eagle, DUB, 170/175mm, Alloy, 32T |
Shifters | SRAM GX Eagle | Shimano XT M8100, 12 speed | SRAM AXS POD Controller |
Cassette | SRAM XG 1275 (10-52t) | Shimano XT M8100, 10-51, 12 speed | SRAM XS 1295, 12 speed, 10-52 |
Chain | SRAM GX Eagle | Shimano Ultegra/XT M8100, 12 speed | SRAM X0 Eagle |
Brakes | SRAM G2 RSC | Shimano XT M8120 4-piston hydraulic disc | Front: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180/200mm HS2 rotor, Rear: SRAM Code Silver Stealth, 4-piston caliper, hydraulic disc, 180mm HS2 rotor |
Rims | RaceFace Aeffect R | Front: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 29'' | Roval Control, Carbon offset design, 29mm internal width, 4mm hook width, Tubeless ready, 28h |
|---|---|---|---|
Spokes | RaceFace 2.0/1.7/2.0 | Stainless, 14g, black | |
Front Hub | RaceFace Trace 28h | Industry Nine 1/1, 6-bolt, 15mm Thru-axle, 110mm spacing, 28h | |
Rear Hub | RaceFace Trace 28h | Industry Nine 1/1, 12x148mm thru axle, XD freehub body, 28h | |
Tires | Front: Maxxis Dissector 3C EXO (2.4), Rear: Maxxis Rekon 3C EXO (2.4) | Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29x2.40'' | Front: Specialized Purgatory, GRID Casing, T9 Compound, 29x2.4, Rear: Specialized Ground Control, GRID Casing, T7 Compound, 29x2.35 |
Disc Rotors | SRAM Centerline (180mm) | Shimano RT86, 6-bolt, 180mm |