Stone 130 BCD Chainring for Single Speed Fixed Gear Fixie Track Bike Round 42T-60T Chainwheel 1/2" x 1/8" Chain

Stone 130BCD Round Chainring for Fixed Gear / Track Bike

For single speed bike only.

Not compatible with 7/8/9/10/11/12 speed bikes.

Compatibility

• Suitable for 130BCD 5-arm cranksets.
• Designed for fixed gear, track bike, fixie and single speed bicycles.
• Compatible with 1/2" x 1/8" single speed chains.
• Not compatible with 7-12 speed drivetrains.
• For BB30 / BF30 cranksets, this chainring cannot be installed in the outer chainring position. The inner chainring position is not affected.

Available Size

Max outer diameter and weight are for reference only.

• 42T: 176mm / 103g
• 43T: 180mm / 108.8g
• 44T: 184mm / 112.4g
• 45T: 188mm / 123g
• 46T: 192mm / 121.1g
• 47T: 196mm / 124.3g
• 48T: 200mm / 129.4g
• 49T: 204mm / 144.1g
• 50T: 208mm / 148.4g
• 51T: 212.5mm / 156.4g
• 52T: 216.5mm / 161.2g
• 53T: 220.5mm / 170g
• 54T: 225mm / 172.7g
• 55T: 228.5mm / 179.4g
• 56T: 232.5mm / 187.8g
• 57T: 236.5mm / 193.9g
• 58T: 241mm / 200g
• 59T: 245mm / 206.3g
• 60T: 249mm / 211.6g

Product weight may vary slightly due to production batch or product upgrade.

Specifications

• Brand: Stone
• Material: High strength 7075-T651 aluminum alloy
• Hardness: HB150
• BCD: 130BCD
• Shape: Round
• Speed: Single Speed
• Chain Compatibility: 1/2" x 1/8"
• Thickness: 4mm
• Manufacturing: CNC machined
• CNC Precision: 0.03mm
• Color: Black
• Teeth Options: 42T-60T

Features

• Designed for fixed gear, track bike, fixie and single speed bicycles.
• Made of high strength 7075-T651 aluminum alloy for good stiffness and durability.
• CNC machined for accurate fit and smooth chain engagement.
• 4mm thick design helps improve rigidity for single speed riding.
• Multiple teeth options from 42T to 60T for different gear ratio needs.
• Round chainring design provides stable and direct power transfer for single speed riding.

Important Compatibility Notes

• For single speed bike only. Not compatible with 7/8/9/10/11/12 speed bikes.
• Please confirm your crankset is 130BCD before purchase.
• Please confirm your chain size is 1/2" x 1/8".
• For BB30 / BF30 cranksets, this chainring cannot be installed in the outer chainring position. The inner chainring position is not affected.
• Please check frame clearance before choosing a large tooth size.
• Installation compatibility may vary depending on crank model, chainline and bicycle frame clearance.

Package Includes

• 1 x Chainring
• 5 x Chainring Bolts

Production Time

Most Stone chainrings are made by order. Normally it takes about 3-5 days to prepare before shipping. Thank you for your understanding.