The Fly Bikes Tractor XL Sprocket is a black 25-tooth bicycle sprocket, expertly CNC machined from 6061 Aluminum, featuring three circular cutouts and two small black spacers.
Close-up of the Fly Bikes Tractor XL Sprocket, a black bicycle chainring with 28 teeth, CNC machined from durable 6061 Aluminum, featuring geometric cutouts against a dark background.
Illustration of the Fly Bikes Tractor XL Sprocket, showcasing text annotations that highlight a sunken crank arm design and robust 12mm construction with durable 6061 Aluminum.

Highlights

  • Tapered 12mm to 6mm
  • CNC machined 6061 aluminium
  • Recessed for your crank arm
  • Adaptors for three spindle sizes

Description

The Tractor XL is CNC machined from solid 6061 aluminium with a tapered profile: 12mm thick at the core, down to 6mm at the teeth, with a recess for your crank arm. It is a Fly original design.

It comes in 25T and 28T, and adaptors for 19, 22 and 24mm spindles are included. The 25T weighs 118g and the 28T weighs 134g.

Features
  • Tapered 12mm to 6mm. The body is 12mm thick at the core and tapers to 6mm at the teeth, putting the material where the load is.
  • CNC machined 6061 aluminium. Cut from solid 6061, so it holds its shape without carrying spare weight.
  • Recessed for your crank arm. The tooth area is recessed to clear the crank arm for a tidy fit.
  • Adaptors for three spindle sizes. Adaptors for 19, 22 and 24mm spindles are in the box, so it suits most modern BMX cranks.
  • 25T or 28T. Pick 25T at 118g or 28T at 134g to match the gearing you already run.

Specifications
  • Spindle size: 19mm, 22mm and 24mm (adaptors included)
  • Teeth: 25T or 28T
  • Material: CNC machined 6061 aluminium
  • Included: Adaptors for 19, 22 and 24mm spindles
  • Weight: 25T 118g, 28T 134g

Gearing calculator
Display

See what this gives you in gear inches, rollout and ratio.

This sprocket

Reading its tooth count.

Your gearing

Gear inches —″
Rollout —m
Ratio —:1

Set both tooth counts to see your gearing.

Open the full gearing calculator for the gear chart, custom tyres and every combination near a target.

Fly Bikes Tractor XL Sprocket

Brand: Fly Bikes SKU:

$86.00 USD

Or 4 payments of $21.50 USD with

Colour - Black

Teeth - 25T

Fly Bikes Tractor XL Sprocket - Black / 25T

$86.00 USD

Price match request

$12.99 flat-rate shipping Australia-wide

Express from $21.99

Free in-store pickup - Brisbane

Availability

25T28T
Black

● In stock at LUXBMX ● With supplier ● Preorder ○ Sold out

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