Spur Carbon Frame
Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame Spur Carbon Frame


Spur Carbon Frame



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2140 grams
2160 grams
2180 grams
2200 grams
2140 grams
2160 grams
2180 grams
2200 grams
2180 grams
weight without shock
Black Powder
Deep Sea Green
Deep Sea Green - Blem

Sizing Chart

This frame may only be sold as a complete custom bike
Transition complete custom bikes may only be shipped within the USA.
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Transition Spur Carbon Frame

New to Transition’s line-up, the Spur has similar geometry and travel to the 2020 Smuggler, but the frame and rear shock alone weigh considerably less (about a pound). Although it has slightly less front wheel travel (120mm instead of 140mm, about ¾”), it wouldn't be fair to call it a cross-country bike; all the fun-inducing frame dimensions - reach, wheelbase, bottom bracket height, and chainstay length are also close to identical to the Smuggler. Even the headtube angle sits at 66 degrees. It's a bike that retains all the fun characteristics of Transition's bigger models, but drops a whole lot of weight. To describe it, you might even have to come up with a whole new category. Let's say "all-country."

Equipped with the SIDluxe rear shock and a pivot-less rear triangle that flexes instead of spinning around bearings, this is a bike that will easily build up under 28lbs, giving it a featherweight climbing feel. Combined with Transition's Speed Balanced Geometry, the Spur lets you attack the trail in a way you might not have thought possible, picking and choosing your lines at a moments notice instead of having to resort to plowing through them.

To aid in the all-day epics you'll find yourself doing on the Spur, you'll find not one but two water bottle cage mounts on the downtube, as well as the accessory mount shared with the rest of Transition’s newest bikes. This fits adapters like Wolf Tooth’s B-RAD mount, to which you can affix anything from a spare tube to a burrito. The frame features an internally routed rear derailleur cable, but smartly leaves the rear brake line external for quick brake swaps, and the pivots include shields over the bearings to keep that Utah dust and Squamish mud out. For those who think 66 degrees is too slack (or not slack enough), the Spur requires press in zero stack headset cups, thereby allowing you to purchase an angled headset if you want to tweak your geo. The Spur comes in gorgeous “Deep Sea Green”, a lovely, dark, greenish blue hue, as well as “Black Powder,” a slate grey with brushed gold accents. You can find it loaded into our Visual Bike Builder, where you can build up the Transition Spur of your dreams.


  • Progressive suspension kinematics
  • Massive seatpost insertion
  • Flush mount custom rubber frame protection
  • Carbon tuned pivot-less flex stay
  • Press in cup headset to allow for angle adjust headsets
  • Accessory mount on underside of toptube
  • 2 sets of water bottle mounts on downtube


Frame Material: Carbon
Wheel Size: 29"
Front Suspension Travel: 120mm
Rear Suspension Travel: 120mm
Rear Shock: RockShox SIDLuxe Ultimate
Rear Shock Size: 190mm x 45mm
Rear Shock Hardware: 30mm x 8mm Top / 25mm x 8mm Bottom
Rear Axle Width: 12x148mm Boost
Headset Standard: ZS44mm/ZS56mm
BB Standard: 73mm BSA
ISCG Tabs: ISCG '05 2-Bolt
Brake Mount Type: Post-Mount 160mm
Max Rear Rotor Size: 180mm
Maximum Chainring Size: 36T
Maximum Tire Size: 2.4"
Seat Post Diameter: 31.6mm
Seat Clamp Diameter: 37mm
Water Bottle Cage Mounts: Two
Intended Use: XC
Warranty: Lifetime

Specs subject to change without notice. Please check with manufacturer for the most up-to-date information.


mm / inches

120mm fork travel / 533 axle to crown

Seat Tube 380 410 460 500
Top Tube 569 602 630 664
Reach 425 455 480 510
BB Height 335 335 335 335
BB Drop 40 40 40 40
Head Angle 66 66 66 66
Seat Angle 76.7 76.2 75.9 75.6
Chainstay 435 435 435 435
Head Tube 100 110 120 135
Wheelbase 1161 1190 1219 1255
Stack 600 610 619 632
Max Seatpost Insertion 250 280 330 330


cm / ft

Rider Height (cm) 154 - 170 165 - 182 175 - 190 185 - 200

Reviews / Q&A

Transition Spur Carbon Frame: Black Powder / SM: spur-bp-sm - Black Powder / MD: spur-bp-md - Black Powder / LG: spur-bp-lg - Black Powder / XL: spur-bp-xl - Deep Sea Green / SM: spur-dsg-sm - Deep Sea Green / MD: spur-dsg-md - Deep Sea Green / LG: spur-dsg-lg - Deep Sea Green / XL: spur-dsg-xl -