2019 Bombtrack

Needle

A steel frame track bike with modest components and rim brakes.

Weight19.0 lbs  
FrameSteel
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
DrivetrainSingle-speed
GroupsetSRAM
BrakesRim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

24 mph

Needle

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

COLUMBUS CROMOR double butted tubing, tapered head tube, brazed dropouts, 68 mm BSA shell

BB StandardBSA, 68mm, Threaded

Tire Clearance25c

Fork

BOMBTRACK CRITERIUM carbon / alloy fork, 1.1/2" - 1.1/8" tapered steerer

Bottom Bracket

SRAM GXP BSA 68 mm

Headset

FSA NO.21/12/44 sealed external aheadset, 1.1/2" - 1.1/8"

Stem

BOMBTRACK ROAM forged alloy stem, -7°

Handlebar

BOMBTRACK COMPACT drop bar, 31.8 mm

Saddle

BOMBTRACK Comp saddle

Seatpost

BOMBTRACK PINE alloy seatpost, 27.2 mm x 300 mm

TypeRigid

Pedals

-

Grips

BOMBTRACK COMMAND bar tape

Groupset
Rear Derailleur

-

Front Derailleur

-

Crank

SRAM OMNIUM 7050 alloy crank, SRAM OMNIUM 7075-T6 alloy, 48T, 1/2" x 1/8"

Shifters

-

Cassette

17T threaded, heat treated crmo cog, 1/2" x 1/8"

Chain

KMC HL710 halflink chain, 1/2" x 1/8", 95L

Brakes

TEKTRO R312 alloy caliper brakes

TypeRim

Wheels
Rims

Front: BOMBTACK DM30 double wall, i17, 32h, Rear: BOMBTACK DM30 double wall, i17, 32h

Front Hub

Front: BOMBTRACK DROME sealed front alloy hub, 9 mm female bolt axle, Rear: BOMBTRACK DROME sealed rear alloy flip-flop track hub, 10 mm regular axle

Rear Hub

Front: BOMBTRACK DROME sealed front alloy hub, 9 mm female bolt axle, Rear: BOMBTRACK DROME sealed rear alloy flip-flop track hub, 10 mm regular axle

Tires

Front: KENDA KRITERIUM tire, 700C x 25C, Rear: KENDA KRITERIUM tire, 700C x 25C

Accessories
Lights

-

Fenders

-

Racks

-

Rider Notes
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Last updated March 17
Not listed for 1,861 days