
SRAM NX Eagle DUB Crankset - Boost Black, 170mm/32T
170mm/32T
Velopedia Bicycle Archive
Original specifications: 26" wheels · 31 lb. 6 oz. for Medium published weight · geometry for 5 published sizes.
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At a glance
| Frame Construction | Surly Lowside - 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated |
|---|---|
| Frame Material | Steel |
| Fork | Surly Lowside - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated |
| Fork Material | Steel |
| Crankset | SRAM NX 32T |
|---|---|
| Bottom Bracket | SRAM Powerspline |
| Cassette | Surly 17t w/ spacer kit |
| Chain | KMC X10 |
| Brakes | Brake Calipers: Tektro HD-M275 (Tektro HD-M276 on XS); Brake Levers: Tektro HD-M275 (Tektro HD-M276 on XS); Rotors: Tektro 160/160, 6-Bolt |
|---|
| Headset | Cane Creek |
|---|---|
| Handlebar | Surly Sunrise |
| Stem | Sunday Freeze Stem Top Load |
| Saddle | WTB Volt |
| Seatpost | Promax SP-2019, 0 Offset, 30.9mm diameter |
| Hubs | (F) Novatec 15 x 110mm, 6-bolt, 32h / (R) Novatec 12 x 148mm, 6-bolt, 32h |
|---|---|
| Rims | Alex MD40 26" |
| Spokes | 14G Black |
| Front Tire | Surly Dirt Wizard 26 x 3.0", 60tpi |
| Rear Tire | Surly Dirt Wizard 26 x 3.0", 60tpi |
| Wheel Size | 26" |
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
| Measurement | X-Small | Small | Medium | Large | X-Large |
|---|---|---|---|---|---|
| Seat tube | 316 mm | 366 mm | 416 mm | 466 mm | 516 mm |
| Effective top tube | 570 mm | 590 mm | 610 mm | 630 mm | 650 mm |
| Head tube | 110 mm | 125 mm | 140 mm | 155 mm | 170 mm |
| Head-tube angle | 70° | 70° | 70° | 70° | 70° |
| Seat-tube angle | 74° | 74° | 74° | 74° | 74° |
| Chainstay / rear center | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1068 mm | 1089 mm | 1110 mm | 1131 mm | 1152 mm |
| Bottom-bracket drop | 55 mm | 55 mm | 55 mm | 55 mm | 55 mm |
| Reach | 414.5 mm | 429.3 mm | 445.3 mm | 461 mm | 477 mm |
| Stack | 542.2 mm | 560.3 mm | 574.4 mm | 588.5 mm | 602.5 mm |
| Standover height | 700 mm | 729 mm | 762 mm | 792 mm | 823 mm |
| Fork offset / rake | 47 mm | 47 mm | 47 mm | 47 mm | 47 mm |
| Fork length / axle-to-crown | 420 mm | 420 mm | 420 mm | 420 mm | 420 mm |
| Crank length | 170 mm | 170 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 52 mm | 52 mm | 52 mm | 52 mm | 52 mm |
| Handlebar width | 820 mm | 820 mm | 820 mm | 820 mm | 820 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Parts & serviceability

170mm/32T

30.9x400mm
Replacement option · verify fit
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.
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: Surly Lowside - New Pig Smell · Mountain · Published sizes: XS, S, M, L, XL
Archived: Frame: Surly Lowside - 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated · Fork: Surly Lowside - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated · Steel
Archived: Crankset: SRAM NX 32t · Bottom bracket: SRAM Powerspline · Cassette: Surly 17t w/ spacer kit · Chain: KMC X10
Archived: Brakes: Brake Calipers: Tektro HD-M275 (Tektro HD-M276 on XS); Brake Levers: Tektro HD-M275 (Tektro HD-M276 on XS); Rotors: Tektro 160/160, 6-Bolt
Archived: Wheel size: 26" · Rims: ALEX MD40 26" · Hubs: (F) Novatec 15 x 110mm, 6-bolt, 32h / (R) Novatec 12 x 148mm, 6-bolt, 32h · Front tire: Surly Dirt Wizard 26 x 3.0", 60tpi · Rear tire: Surly Dirt Wizard 26 x 3.0", 60tpi
Archived: Headset: Cane Creek · Handlebar: Surly Sunrise · Stem: Sunday Freeze Stem Top Load · Seatpost: Promax SP-2019, 0 Offset, 30.9mm diameter · Saddle: WTB Volt
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.