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Santa Cruz Bicycles
Tallboy Carbon C GX Eagle AXS Reserve Mountain Bike

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Why We Like The Santa Cruz Tallboy Carbon C GX Eagle AXS Reserve Mountain Bike

The new Santa Cruz Tallboy has us stoked for high alpine trail missions, after-work hot laps, and everything in between. Version 5 of this genre-blending blending bike is designed to make us reconsider the limits of what we thought a cross-country bike could. Santa Cruz paired a 65.5-degree headtube angle with a short-offset 130mm RockShox Pike Select+ to create a stable front end that craves techy descents full of rocks and roots. Make no mistake, the new Tallboy also climbs like a pro with its relatively steep seat-tube angle and 120mm of responsive Fox Performance Elite-supported VPP travel. Updates to the anti-squat and leverage curves ensure more of our pedal power goes into moving forward, and provide unreal traction on the steepest terrain. The new Tallboy also gets the Glovebox treatment, so now we can store our trail essentials and plenty of snacks inside the downtube and still have room for a full-size water bottle inside the front triangle.

The premium Santa Cruz Carbon C GX Eagle AXS Reserve build utilizes the C carbon layup, which is ever so slightly heavier than the Carbon CC construction but comes in a bit cheaper to make room for SRAM’s GX Eagle AXS drivetrain and a set of Reserve carbon wheels. The 12-speed GX Eagle AXS shifter and derailleur offer smooth, rapid-fire shifting rivaling SRAM’s more expensive XX1 and X01 drivetrains, but in a low maintenance package. It is also fully cross-compatible with the rest of the Eagle range for pain-free repairs and upgrades. The 29er Reserve 30|SL carbon wheelset is laced up to Industry Nine 1/1 hubs to provide an unmatched ride feel along with excellent hub engagement, and it’s backed by a lifetime warranty just in case we get a little too sendy on the side hits. The RockShox Reverb Stealth dropper post lets us dial in our perfect saddle height for climbing yet still get the saddle out of the way quickly to take on the big slab roll ahead. Dare we say it, the new Santa Cruz Tallboy might be our favorite downcountry bike.

*Due to a high demand in the global supply chain and bike industry since the start of the pandemic, material weight and exact components are subject to change. We are working diligently to keep tech specs updated, and any adjustments will be of equal or better spec level. If you have any questions, reach out to a Gearhead by chatting online or calling 1-888-276-7130.


  • Playful short-travel 29er for techy hot laps and all-day trail missions
  • 120mm of VPP travel allows efficient pedaling and solid traction
  • 130mm RockShox Pike Select+ craves pushing the limits of XC
  • Size-specific chainstays and carbon-layup create a consistent feel
  • Premium Reserve 30|SL carbon offers a fantastic ride feel
  • SRAM GX Eagle AXS drivetrain is low maintenance and lightning fast
  • SRAM G2 RS brakes provide excellent modulation and stopping power
  • Glovebox storage stashes our trail necessities out of the way
  • Item #SNZK1JX
Frame Material
Carbon C
Rear Shock
FOX Float Performance Elite DPS
Rear Travel
RockShox Pike Select+
Front Travel
Cane Creek 40 IS integrated
GX AXS Controller
Rear Derailleur
SRAM GX AXS Eagle, 12-speed
SRAM GX Eagle 148 DUB
Chainring Sizes
Crank Arm Length
[x-small] 165mm, [small, medium, large] 170mm, [x-large, xx-large] 175mm
Bottom Bracket
SRAM DUB 68/73mm threaded
SRAM XG1275 Eagle, 12-speed
Cassette Range
SRAM GX Eagle, 12-speed
Brake Type
4-piston, hydraulic disc
Avid Centerline, 180mm
Santa Cruz 35 Carbon
Handlebar Width
Santa Cruz House
Burgtec Enduro MK3
Stem Length
WTB Silverado Medium CroMo
RockShox Reverb Stealth, 31.6
Seatpost Travel
[x-small] 100mm, [small] 125mm, [medium] 150mm, [large] 175mm, [x-large, xx-large] 200mm
Reserve 30|SL
Industry Nine 1/1
Front Axle
15 x 110mm Boost
Rear Axle
12 x 148mm Boost
Tire Clearance
29 x 2.5in
[front] Maxxis Rekon, 3C MaxxTerra, EXO, TR, [rear] Maxxis Dissector, 3C MaxxTerra, EXO, TR
Tire Size
29 x 2.4in
not included
universal derailleur hanger, chainstay protector, glove box wallet, glove box purse
Claimed Weight
[large] 30.9lb
cross-country, trail
Manufacturer Warranty
[frame, wheels] lifetime

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