Velopedia Bicycle Archive

2026 Transition Spur XTR Di2

Original manufacturer specifications including 29" wheels, 25.9 lbs / 11.74 kg (Size MD) published weight, geometry for 8 published sizes.

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What Velopedia knows

Model year
2026
Category
Mountain
Original MSRP
$10,999.00
Sizes
S, M, L, XL
Colors
Nightshade, Frostberry
Weight
25.9 lbs / 11.74 kg (Size MD)
Geometry
8 manufacturer sizes · Geometry context
Record coverage
22 preserved details · 2 archived images · original MSRP · preserved geometry
Archive ID
900001557
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Manufacturer catalog

Published sizes and colors

4 sizes · 2 colors

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

NightshadeFrostberry

Frameset

Frame ConstructionSpur Carbon 120mm
Frame MaterialCarbon Fiber
ForkFox Float 34 SL Grip X Factory(130mm)
Rear ShockFox Float SL Factory(190x45mm)

Drivetrain

ShiftersShimano XTR Di2 SW-M9250-R
Rear DerailleurShimano XTR Di2 RD-M9250 SGS
CranksetShimano XTR FC-M9220(32t/165mm)
CassetteShimano XTR CS-M9200 (10-51t)
ChainShimano XTR CN-M9100

Brakes

BrakesShimano XTR M9220 4 Piston; Rotors: Shimano XTR RT-CL900 (180mm)

Cockpit & Contact Points

HeadsetFSA no.42/48/ACB
HandlebarRaceFace Era Carbon BarSM(760x20mm)MD(780x40mm)LG/XL(800x40mm)
StemRaceface Turbine R 40mm
SaddleSDG Bel Air 3 LUX
SeatpostFox Transfer Factory Neo WirelessSM(150mm)MD(175mm)LG/XL(200mm)

Wheels & Tires

HubsDT Swiss 180 Ratchet EXP 54
RimsDT Swiss XRC 1200 Spline 30 Carbon
SpokesDT Swiss Revolite
Front TireMaxxis Forekaster 3C EXO+ (2.4)
Rear TireMaxxis Forekaster 3C EXO+ (2.4)
Wheel Size29"

Size-specific frame data

Geometry

8 sizes · 10 measurements

Manufacturer-published geometry normalized for consistent archival comparison. Effective top tube and reach remain separate measurements because they describe different aspects of fit.

MeasurementSM · HighSM · LowMD · HighMD · LowLG · HighLG · LowXL · HighXL · Low
Seat tube360 mm360 mm390 mm390 mm430 mm430 mm460 mm460 mm
Effective top tube570 mm570 mm603 mm603 mm631 mm631 mm660 mm660 mm
Head tube100 mm100 mm110 mm110 mm120 mm120 mm135 mm135 mm
Head-tube angle66°65.5°66°65.5°66°65.5°66°65.5°
Chainstay / rear center434 mm436 mm434 mm436 mm439 mm441 mm439 mm441 mm
Wheelbase1163 mm1163 mm1197 mm1197 mm1231 mm1231 mm1262 mm1262 mm
Bottom-bracket drop40 mm47 mm40 mm47 mm40 mm47 mm40 mm47 mm
Reach430 mm425 mm460 mm455 mm485 mm480 mm510 mm505 mm
Stack608 mm612 mm617 mm621 mm626 mm630 mm640 mm644 mm
Standover height660 mm660 mm660 mm660 mm660 mm660 mm660 mm660 mm

Geometry source: Transition first-party SBG geometry table ↗ Measurements can vary by configuration, wheel size, or flip-chip position where noted by the manufacturer.

Geometry tools

Analyze a published size

Choose a size

The manufacturer publishes more than one geometry configuration. Velopedia analyzes each labeled state separately while treating them as one chassis in archive comparisons.

SM geometry

Configuration

Archive context: Its bottom-bracket drop of 40 mm sits somewhat deeper than typical. The head angle of 66° sits somewhat steeper than typical. Its wheelbase of 1163 mm sits close to the middle of the group.

Compared with 180 distinct mountain geometries in the Small-equivalent size cohort from model years 2024–2027 in the Velopedia archive.
Want to go deeper?Open this exact published size and configuration in the Velopedia Geometry Analyzer, then complete any measurements the manufacturer did not provide.
Analyze SM · High geometry

Parts & serviceability

Find replacement parts

3 top part searches
ChainExact archived part
Shimano XTR CN-M9100 Exact archived model
CassetteExact archived part
Shimano XTR CS-M9200 (10-51t) Exact archived model
Front tireOne check needed
Maxxis Forekaster 3C EXO+ (2.4) Named tire · verify the exact width Before ordering: Confirm the exact tire width before ordering.
More qualified parts (6)
SaddleQualified part search
SDG Bel Air 3 LUX Named archived component — verify exact version
Rear derailleurExact archived part
Shimano XTR Di2 RD-M9250 SGS Exact archived model
ShiftersQualified part search
Shimano XTR Di2 SW-M9250-R Component family — verify exact version
HeadsetExact archived part
FSA no.42/48/ACB Exact archived model
RimsQualified part search
DT Swiss XRC 1200 Spline 30 Carbon Named archived component — verify dimensions
HubsQualified part search
DT Swiss 180 Ratchet EXP 54 Named archived component — verify dimensions

Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.

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Used-bike inspection

If you’re buying this bike used

Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.

Follow the full used-bike inspection order →
  • FrameInspect the frame in bright light, especially around the head tube, bottom bracket, chainstays and clamped areas. Look for cracks, ripples, crushed sections or signs of a previous impact.Inspect the frame and fork →
  • BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
  • SuspensionAsk when the fork and shock were last serviced. Check the stanchions for damage, look for oil at the seals, cycle both units through their travel and test the suspension pivots for play.Evaluate the suspension →
  • DrivetrainConfirm every shift-system battery charges, every shift control works and the derailleur moves cleanly across the cassette. Make sure the matching shift-system charger is included, then measure chain wear and inspect the cassette teeth.Check drivetrain wear →
  • Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
0 of 22 checked Progress stays in this browser for this bike.

This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2026 Transition Spur XTR Di2 · Mountain · Published sizes: S, M, L, XL

Archived: Frame: Spur Carbon 120mm · Fork: Fox Float 34 SL Grip X Factory(130mm)

Archived: Fork: Fox Float 34 SL Grip X Factory(130mm) · Rear shock: Fox Float SL Factory(190x45mm)

Archived: Shifters: Shimano XTR Di2 SW-M9250-R · Rear derailleur: Shimano XTR Di2 RD-M9250 SGS · Crankset: Shimano XTR FC-M9220(32t/165mm) · Cassette: Shimano XTR CS-M9200 (10-51t) · Chain: Shimano XTR CN-M9100

Archived: Brakes: Shimano XTR M9220 4 Piston; Rotors: Shimano XTR RT-CL900 (180mm)

Archived: Wheel size: 29" · Rims: DT Swiss XRC 1200 Spline 30 Carbon · Hubs: DT Swiss 180 Ratchet EXP 54 · Front tire: Maxxis Forekaster 3C EXO+ (2.4) · Rear tire: Maxxis Forekaster 3C EXO+ (2.4)

Controls and contact points

Archived: Headset: FSA No.42/48/ACB · Handlebar: RaceFace Era Carbon BarSM(760x20mm)MD(780x40mm)LG/XL(800x40mm) · Stem: Raceface Turbine R 40mm · Seatpost: Fox Transfer Factory Neo WirelessSM(150mm)MD(175mm)LG/XL(200mm) · Saddle: SDG Bel Air 3 LUX

Before and during the test ride

Follow the full used-bike inspection order →

Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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