Run fixed or freewheel from a single rear hub. The SRAM Torpedo Fix & Free lets you switch between a locked fixed gear and a coasting freewheel with a few turns of a screwdriver, so one wheel covers track riding, skid-stop street use and relaxed coasting.

Highlights

  • Switchable fixed / free function built into the one hub
  • Convert modes with roughly seven rotations of a screwdriver, no special tools
  • 18-tooth 3/32" integrated cog
  • 32 spoke holes for a strong, classic single-speed wheel build
  • 120mm rear spacing, with a supplied kit to space out to 130mm
  • Bright silver finish

Two rides in one hub

In fixed mode the cog is locked to the wheel, giving the direct, connected feel and skid control track and fixie riders want. Switch the internal mechanism to free mode and the same hub coasts like a normal single-speed, ideal for commuting and cruising without changing wheels.

Built to be laced

The shell is drilled 32-hole, the standard count for a robust, easily serviced single-speed or track wheel, and the hub runs an 18-tooth 3/32" cog. The 174mm steel axle uses a 10x1 thread.

Fit & compatibility

Designed for rim-brake single-speed, track and fixed-gear frames. Native over-locknut spacing is 120mm, and an included spacing kit adapts the hub to 130mm road dropouts. This is a rear hub for rim-brake bikes; it is not disc-brake compatible.

SRAM products are covered by SRAM's standard limited warranty against defects in materials and workmanship for a period of two years from the original date of purchase. The warranty does not cover damage from improper installation, normal wear and tear, crashes, or modification.

If you believe your hub has a warranty issue, please return the item to Tune Cycles and our team will assess it and manage the warranty process on your behalf.

  • SRAM Torpedo Fix & Free single-speed rear hub
  • Switchable between fixed gear and freewheel modes
  • Mode change via approximately seven turns of a screwdriver
  • 18-tooth 3/32" cog
  • 32 spoke holes
  • 120mm over-locknut dimension
  • Includes spacing kit to adapt to 130mm
  • 174mm axle, 10x1 thread
  • Rim-brake compatible
  • Silver finish
BrandSRAM
ModelTorpedo Fix & Free
TypeSingle-speed rear hub (fixed / free switchable)
Cog18 tooth, 3/32"
Spoke holes32
Over-locknut dimension120mm (spacing kit included for 130mm)
Axle174mm, 10x1 thread
Brake typeRim brake
Weight480g
ColourSilver
SKU PSI-SR003115002010
Model # 003.115.002.010
Barcode # SR003115002010
Brand SRAM

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