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2021 Norco Aurum HSP C1

Original specifications: 27.5"; 29" wheels · geometry for 6 published sizes.

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At a glance

Model year
2021
Category
Mountain
Sizes
XS/S, S/M, M/L, L/XL
Geometry
6 manufacturer sizes
In this record
20 specifications · archived image · geometry
Archive ID
900000112
Original build27.5"; 29"

Manufacturer catalog

Published sizes and colors

4 sizes

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

Published sizes

XS/SS/MM/LL/XL

Frameset

Frame ConstructionHigh Single Pivot DH Frame 29 M/L, L/XL, 27.5 XS/S, S/M, M/L, L/XL
ForkRockShox Boxxer Ultimate, Charger 2, RC2 WC
Rear ShockRockShox Super Deluxe Ultimate DH RC, Coil Spring, 400lb/in (XS/S) , 450lb/in (S/M), 500lb/in (M/L), 550lb/in (L/XL)

Drivetrain

ShiftersSRAM X01 DH. 7 speed
Rear DerailleurSRAM XO1 DH, medium cage
CranksetSRAM X01 DH DUB, 165mm, X Sync 34T
Bottom BracketSRAM PressFit DUB
CassetteSRAM XO1 DH, 10-24T
ChainSRAM PC 1110

Brakes

Brakes(F) SRAM Code RSC, Hydraulic, 200mm / (R) SRAM Code RSC, Hydraulic, 200mm

Cockpit & Contact Points

HeadsetCane Creek 40 Series, sealed bearing
HandlebarDeity Race Point, 810mm, 38mm rise (M/L, L/XL), 35mm bore
StemDeity Intake Direct Mount
SaddleDeity Side Track I Beam DH
SeatpostSDG I beam, 350mm

Wheels & Tires

Hubs(F) DT Swiss 20x110mm / (R) DT Swiss 12x142mm Boost 27.5, 12x148mm Boost 29
Rims29 - DT Swiss FR 1950 wheelset, 27.5 - DT Swiss FR560, 30 mm inner, DT 240 Hubs, DT Competition spokes
Front TireMaxxis Assegai 2.5" 3C/MaxxGrip/DH/TR
Rear TireMaxxis Assegai 2.5" 3C/MaxxGrip/DH/TR
Wheel Size27.5"; 29"

Geometry

6 sizes · 17 measurements

Frame measurements by size.

All geometry measurements6 sizes · 17 measurements
MeasurementXS/S · 27.5"S/M · 27.5"M/L · 27.5"L/XL · 27.5"M/L · 29"L/XL · 29"
Seat tube400 mm415 mm430 mm445 mm431 mm446 mm
Effective top tube571 mm603 mm635 mm667 mm637 mm666 mm
Head tube100 mm107.5 mm115 mm122.5 mm100 mm100 mm
Head-tube angle62.5°62.5°62.5°62.5°62.5°62.5°
Seat-tube angle74.4°73.5°72.7°71.8°72.3°71.6°
Chainstay / rear center400 mm410 mm420 mm430 mm420 mm430 mm
Wheelbase1169 mm1203 mm1237 mm1270 mm1235 mm1265 mm
Bottom-bracket drop-5 mm-5 mm-5 mm-5 mm-24 mm-24 mm
Bottom-bracket height350 mm250 mm350 mm350 mm353 mm353 mm
Reach405 mm425 mm445 mm465 mm441 mm461 mm
Stack592 mm599 mm606 mm612 mm617 mm617 mm
Standover height631 mm632 mm635 mm638 mm652 mm652 mm
Fork offset / rake52 mm52 mm52 mm52 mm58 mm58 mm
Trail126 mm126 mm126 mm126 mm126 mm125 mm
Crank length165 mm165 mm165 mm165 mm165 mm165 mm
Stem length50 mm50 mm50 mm50 mm50 mm50 mm
Wheel size27.5"27.5"27.5"27.5"29"29"

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes34T · 10–24T · 7-speed
Lowest1.42:1 Highest3.40:1 Total range240%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
SRAM XO1 DH, 10-24T
Retailer offers · Affiliate links
Bottom bracket · Original
SRAM PressFit DUB
Crankset · Original
SRAM X01 DH DUB, 165mm, X Sync 34T
More parts (2)
Shifters · Original
SRAM X01 DH. 7 speed Search: SRAM X01 DH 7-speed mechanical shifter
Rims · Original
29 - DT Swiss FR 1950 wheelset, 27.5 - DT Swiss FR560, 30 mm inner, DT 240 Hubs, DT Competition spokes

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. 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.

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: 2021 Norco Aurum HSP C1 · Mountain · Published sizes: XS/S, S/M, M/L, L/XL

Archived: Frame: High Single Pivot DH Frame 29 M/L, L/XL, 27.5 XS/S, S/M, M/L, L/XL · Fork: RockShox Boxxer Ultimate, Charger 2, RC2 WC

Archived: Fork: RockShox Boxxer Ultimate, Charger 2, RC2 WC · Rear shock: RockShox Super Deluxe Ultimate DH RC, Coil Spring, 400lb/in (XS/S) , 450lb/in (S/M), 500lb/in (M/L), 550lb/in (L/XL)

Archived: Shifters: SRAM X01 DH. 7 speed · Rear derailleur: SRAM XO1 DH, medium cage · Crankset: SRAM X01 DH DUB, 165mm, X Sync 34T · Bottom bracket: SRAM PressFit DUB · Cassette: SRAM XO1 DH, 10-24T · Chain: SRAM PC 1110

Archived: Brakes: (F) SRAM Code RSC, Hydraulic, 200mm / (R) SRAM Code RSC, Hydraulic, 200mm

Archived: Wheel size: 27.5"; 29" · Rims: 29 - DT Swiss FR 1950 wheelset, 27.5 - DT Swiss FR560, 30 mm inner, DT 240 Hubs, DT Competition spokes · Hubs: (F) DT Swiss 20x110mm / (R) DT Swiss 12x142mm Boost 27.5, 12x148mm Boost 29 · Front tire: Maxxis Assegai 2.5" 3C/MaxxGrip/DH/TR · Rear tire: Maxxis Assegai 2.5" 3C/MaxxGrip/DH/TR

Controls and contact points

Archived: Headset: Cane Creek 40 Series, sealed bearing · Handlebar: Deity Race Point, 810mm, 38mm rise (M/L, L/XL), 35mm bore · Stem: Deity Intake Direct Mount · Seatpost: SDG I beam, 350mm · Saddle: Deity Side Track I Beam DH

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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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