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The Tractor XL sprocket is made from 6061-alloy with a super thick 16mm core diameter that tapers to 6mm thick at the teeth. 

Despite the thicker design, the Tractor XL weighs about the same as traditional sprockets  - 4.0 oz. (25t) and 4.7 oz. (28t) with a 24mm bore (19mm and 22mm spindle adaptors included). 

If there’s one part on your bike you need to trust, it’s your chain, and, do we have a chain for you ! With extra thick 1.3 mm link plates, hardened rollers, premium hollow chromoly pins with an extra strong chromium heat treatment and the convenience of a built in half-link, the bullet proof Tractor chain is about as trustworthy and reliable as its gets.

Keeping things running smoothly down south we bring you the Rotar bottom bracket, a very clean and simple BB system with the highest quality bearings possible, CNC machined 6061 – T6 Aluminum spacers, a Flybikes logo’d spacer, and comes in 19 mm, 22 mm and 24 mm sizes.

1.5 mm & 3 mm washers included for adjustability

• Forged 6061-T6 Aluminum
• Slim and simple no barrel design
• Hinged clamp
• Precision CNC & oversize
• Brass bearings

The Core Short provides lift for the hips and legs while swimming - simulating the lift of a wetsuit, and mimicking the feeling of using a pull-buoy. For triathletes, training with the Core Short will provide a seamless transition to wetsuit swimming in open water- getting you ready for race day. For pool swimmers, the Core Short is essentially a wearable, improved pull-buoy: it improves every swim stroke, allows natural kick and hip rotation, and flip-turns are easier.

Designed with the same top-end materials as our Helix Wetsuits, the Core Short is durable and able to withstand hours of pool and open-water use. It is designed to be worn over a swimsuit.

Sizing is based on Waist Size: XS = 28 , S = 30 , M = 32, L = 34 , XL = 36