| This is for a new KCNC Bone Grinder Bash Guard. This fits 4 arm spider systems with a 104mm BCD. |
| KCNC Chainring Bash Guard |
| 104BCD - 39t and Smaller |
| $38.00 |
| 104BCD - 36t and Smaller |
| 104BCD - 44t and Smaller |
| SRP Lightweight Aluminum M8 Crank Bolts Only 10 grams |
| SRP Aluminum Crank Bolt Pair. M8 Bolt, For use with square taper bb's. Uses a 14mm socket. 10 grams per pair. |
| SRP Bolt Pair Green |
| SRP Bolt Pair Gold |
| SRP Bolt Pair Purple |
| Aluminum Alloy Self Extracting Collars |
| Red Collars |
| Green Collars |
| Black Collars |
| Silver Collars |
| Purple Collars |
| This is for a new pair of aluminium crank bolt collars. These are used on most crank setups |
| Titanium Chainring Bolts with Allen Hex Nut |
| These use a 6mm allen wrench on the nut section so you don't have to use the notch type tool. Availiable for Doubles only. |
| 5 Titanium Doubles |
| 4 Titanium Doubles |
| 6.8mm closed height |
| 3 grams each nut-bolt |
| One nut and Bolt |
| Click on the photos below for the measurements of Chainring Bolts |
| Singles |
| Doubles |
| 5 Titanium Chain Ring Bolts (Doubles) |
| Titanium Chainring Bolts |
| All standard chainring bolts use the 2 notch tool on the nut section |
| 4 Titanium Chain Ring Bolts (Doubles) |
| 5 Titanium Chain Ring Bolts (Singles) |
| One Nut and Bolt (Doubles) |
| Titanium Crank Bolts |
| M15 Titanium Self Extracting Crank Bolts with Ti Collar |
| For use with most cranks systems that use M15 (ISIS) Bottom Brackets. All titanium. 27.5 grams for the set. Please note the extractors have 2 holes (The photo shows 6) |
| M8 Titanium Self Extracting Crank Bolts with Ti Collar |
| For use with most cranks systems that use M8 Bottom Brackets (Square Taper Road Cranks). All titanium. 22.5 grams for the set. Please note the extractors have 2 holes (The photo shows 4) |
| M15 Titanium Crank Bolts - Recessed Head |
| For use with most cranks systems that use M15 (ISIS) Bottom Brackets. All titanium. 21.5 grams for the set. Includes Washers |
| M12 Hollow Titanium Crank Bolts |
| For use with crank systems that use M12 Bottom Brackets. All titanium. 18 grams for the set. Includes Washers |
| For use with most cranks systems that use M15 (ISIS) Bottom Brackets. All titanium. 25 grams for the set. Includes Washers |
| M15 Titanium Crank Bolts with Washers |
| M8 Titanium Crank Bolts |
| For use with crank systems that use square taper Bottom Brackets. All titanium. 15 grams for the set. |
| Titanium Crank Arm Dust Caps |
| Titanium Crank Washer Set |
| ID=16mm OD=19.5mm Thick=1.5mm |
| Titanium Self Extracting Collars |
| This is for a new pair of Steel crank bolts with aluminium collars. These are used on most crank setups with M15 threads. (ISIS Spindles) 35 grams for the set. |


| This is for a new pair of Titanium crank bolts with aluminium collars. these are used on most crank setups with M15 threads. 26.5 grams for the set. Includes Titanium washers. |
| M15 Stainless Steel Crank Bolts with Alloy Collars Colors: Red, Blue, Black, Green, Purple, Silver and Gold |
| Replacement Titanium crank arm fixing bolt for Shimano Hollowtech II, Ultegra 6600 and LX M580 cranks. Only one needed for non-drive side M15 threads, 15mm torx, 7 grams |
| Titanium Hollowtech II Crank Arm Fixing Bolt |
| Replacement Titanium crank arm fixing bolt for Shimano XTR cranks. Only one needed. M20 threads, 15mm torx, 9 grams |
| Titanium Crank Arm Fixing Bolt Shimano XTR - M960 - 20mm Threads |
| Extra Long (16mm Total Length) Titanium Granny Bolts |
| $3.50 |
| Single 16mm bolt |
| This is for extra long titanium Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts 16mm total length, 14mm from the bottom of the head. |
| $13.00 |
| Four 16mm bolts |
| $15.75 |
| Five 16mm bolts |
| For use with most cranks systems that use M12 Bottom Brackets. All titanium. 18 grams for the set. Includes Washers |
| M12 Titanium Crank Bolts with Washers |
| For use with most cranks systems that use M14 Bottom Brackets. All titanium. 20 grams for the set. Includes Washers |
| M14 Titanium Crank Bolts with Washers |
| Aluminum Chainring Bolts |
| This is for a set of 4 KCNC aluminum Chainring Bolts. These are used on all Double (MTB) chain ring applications. |
| KCNC Chain Ring Nut/Bolt Set of 4 Doubles |
| 4 Blue Nuts and Bolts |
| Alloy Chainring Inner (Granny) Bolt Set of 5 |

| Red |
| Purple |
| Silver |
| Black |
| Green |
| Gold |
| This is for a set of 4 anodized aluminum Chainring Bolts. These are used to fasten the inner gear on MTB setups. 8mm threaded |
| Alloy Chainring Inner (Granny) Bolt Set of 4 |
| Red |
| Purple |
| Silver |
| Black |
| Green |
| Gold |
| This is for a set of 5 anodized aluminum Chainring Bolts. These are used to fasten the inner gear on MTB setups. 8mm threaded |
| $13.00 |
| This is for a set of 5 Aerozine Aluminum chainring bolts. These are for Double chainrings. The nut uses an allen key. 2 grams each. |
| Aerozine Aluminum Chain Ring Bolts Doubles set of 5 Hex Nut Back |
| Black Doubles |
| Blue Doubles |
| Silver Doubles |
| Gold Doubles |
| For use with most cranks systems that use M12 Bottom Brackets. All titanium. 16 grams for the set. Does Not Include Washers |
| M12 Titanium Crank Bolts |
| For use with most cranks systems that use M14 Bottom Brackets. All titanium. 18 grams for the set. Does Not Include Washers |
| M14 Titanium Crank Bolts |
| Aluminum Crank arm dust caps. For use with all standard cranks. Uses a 6mm socket. 5 grams per pair. |
| Dust Caps Gold |
| Dust Caps Silver |
| Dust Caps Red |
| This is for a new pair of Steel crank bolts with aluminium collars. These are used on most crank setups with M8 threads. (Square Taper Spindles) 29 grams for the set. |
| M8 Stainless Steel Crank Bolts with Alloy Collars Colors: Red, Blue, Black, Green, Purple, Silver and Gold |
| Pink Doubles |
| Green Doubles |
| Red Doubles |
| This is for a set of 5 anodized aluminum Chainring Bolts. These are used on all Single chain ring applications. |
| Alloy Chainring Nut/Bolt Set of 5 Singles |

| 5 Red Singles Nuts and Bolts |
| 5 Green Singles Nuts and Bolts |
| 5 Silver Singles Nuts and Bolts |
| This is for a set of 5 anodized aluminum Chainring Bolts. These are used on all Double chain ring applications. |
| Alloy Chainring Nut/Bolt Set of 5 Doubles Colors: Red, Blue, Black, Green, Purple, silver and Gold |
| 6.8mm closed height |
| These spacers sit behind the chainring bolt to provide extra spacing. The proper spacer can allow you to use only one chainring on MTB applications. These vary in stack height and have a smaller OD vs. Standard washers The 8.2mm ID spacer is used under the bolt. The 10.5mm ID spacer is used on the nut section if you need to space from the nut side. This is for ONE spacer. For use with all standard chainring bolts. |
| Titanium Chainring Bolt Spacers - Narrow Washers |
| 8.2mm ID - 12.5mm OD - 1mm Thick |
| 8.2mm ID - 12.5mm OD - 2mm Thick |
| 8.2mm ID - 12.5mm OD - 3mm Thick |
| 10.5mm ID - 15.5mm OD - 1.5mm Thick |
| 10.5mm ID - 15.5mm OD - 3mm Thick |
| M15 Ti Crank Bolts and Washers with Alloy Collars |
| Red Crank Bolts |
| Black Crank Bolts |
| Silver Crank Bolts |
| Blue Crank Bolts |
| Gold Crank Bolts |
| Purple Crank Bolts |
| Green Crank Bolts |
| These spacers sit behind the chainring bolt to provide extra spacing. The proper spacer can allow you to use only one chainring on MTB applications. These vary in stack height and have a smaller OD vs. Standard washers The 8.2mm ID spacer is used under the bolt. The 10.5mm ID spacer is used on the nut section if you need to space from the nut side. This is for ONE spacer. For use with all standard chainring bolts. |
| Aluminum Chainring Bolt Spacers - Narrow Washers |
| 4 Silver Nuts and Bolts |
| 4 Black Nuts and Bolts |
| Extra Long (9mm) Aluminum Granny Bolts |
| Red Granny Bolt |
| Extra long Aluminum Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts. 9mm threaded - 11mm for the entire bolt including head. |
| The price is for a single bolt. You can update quantity in the shopping cart. |
| Gold Granny Bolt |
| Silver Granny Bolt |
| Blue Granny Bolt |
| Black Granny Bolt |
| Pink Granny Bolt |
| Extra Long (14mm) Aluminum Granny Bolts |
| Red Granny Bolt |
| Extra long Aluminum Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts. 14mm threaded - 16mm for the entire bolt including head. |
| The price is for a single bolt. You can update quantity in the shopping cart. |
| Gold Granny Bolt |
| Silver Granny Bolt |
| Blue Granny Bolt |
| Black Granny Bolt |
| Pink Granny Bolt |
| Black - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Red - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Gold - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Blue - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Purple - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Silver - 8.2mm ID - 12.5mm OD - 2mm Thick |
| Black - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Red - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Gold - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Blue - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Purple - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Silver - 8.2mm ID - 12.5mm OD - 3mm Thick |
| Aluminum Chainring Bolts - Campy |
| This is for a set of 5 KCNC aluminum Chainring Bolts. Material: 7075 T6 Alloy M8 x 0.75mm x 6.5mm x 1 pcs M6 x 0.75 x 4.0 x 4 pairs Weight: 10g for the set of 5 Compatible with Campy / Campy Super Record |
| KCNC Campy Chain Ring Nut/Bolt Set of 5 |
| 5 Gold Nuts and Bolts |

| 5 Red Nuts and Bolts |
| 5 Black Nuts and Bolts |
| 5 Blue Nuts and Bolts |
| 5 Silver Nuts and Bolts |

| Clamps onto chain stay to provide chain tension Nylon-lined guide to reduce noise, friction, and wear Anodized alloy construction - Plastic pulley Supports chain stay width 20mm -25mm height 76 grams |
| Aluminum Alloy Chain Tensioner |
| Gold Tensioner |
| Red Tensioner |
| Blue Tensioner |
| $11.50 set of 5 $9.50 set of 4 |
| This is for a set of 5 Aluminum chainring bolts. These are for Double MTB type chainrings. These are used where 2 gears are mounted to the spider using one nut and bolt. The nut uses an Allen key and does nut use the 2 notch tool making installation easier. 2 grams each nut and bolt. 6.2mm closed gap. No logos on this product. Set of 4 is also available. |
| Chainring Nuts-Bolts Doubles - Hex Nut Version |
| 5 Gold Doubles |
| 5 Blue Doubles |
| On Sale! |
| 4 Gold Doubles |
| 4 Blue Doubles |
| Specs for Purely Custom's 34T 4x104 BCD bash guard: • 34 tooth chainring • 4 bolt pattern • 104mm bolt circle diameter (BCD) • 6mm thick aluminum These anodized aluminum standard bash guards require that you remove the biggest chainring. Weight: 138 grams |
| Purely Custom Bash Guard 34 tooth - 4X104 BCD |
| Red Bash Guard |
| Black Bash Guard |
| Gold Bash Guard |
| Blue Bash Guard |
| Specs for Purely Custom's 36T 5x110 BCD bash guard: • 36 tooth chainring • 5 bolt pattern • 110mm bolt circle diameter (BCD) • 6mm thick aluminum These anodized aluminum standard bash guards require that you remove the biggest chainring. Weight: 177 grams |
| Purely Custom Bash Guard 36 tooth - 5x110 BCD |
| Red Bash Guard |
| Black Bash Guard |
| Gold Bash Guard |
| Blue Bash Guard |
| The titanium washers below are varied in dimensions. I will be adding more of these in the future. |
| Titanium Speciality Washers |
| 15.2mm ID - 17.8mm OD - 2.5mm Thick |

| For Road Applications. L&R bearing cups with CERAMIC Bearings (BC-1.37thread) Plastic shell (Spacer) with 2 Spacer Bearing cup 68mm Spacing. Weight: 96g |
| Aerozine External Bottom Bracket- Ceramic Bearings -Road (68mm) |
| Red Bottom Bracket |
| Blue Bottom Bracket |
| Gold Bottom Bracket |
| Black Bottom Bracket |
| KCNC Aluminum Alloy Self Extracting Collars |
| Red Collars |
| This is for a new pair of KCNC aluminium crank bolt collars. These are used on most crank setups. 22mm threads. %g for the pair. |
| Blue Collars |
| Black Collars |
| Gold Collars |
| Silver Collars |

| KCNC Scandium Bottom Bracket Bolt |
| This is for a replacement scandium bolt for use with KCNC and other bb's that use a hollow long scandium bolt. |
| KCNC Bolt M12 x 35mm |
| KCNC Bolt M14 x 35mm |
| KCNC Bolt M16 x 35mm |


| The new standard in bashguards is the Soft Touch from Purely Custom. This revolutionary product is unlike any other. Here some of the key features: "Leave No Trace" Technology - Thermoplastic polyurethane outer ring prevents you from leaving your mark on the environment A "Third Wheel" - The ring is also ribbed to provide traction to power over any obstacle and not slip off CNC Machined - Since this is made from one solid piece of aircraft grade aluminum, this bashguard is virtually indestructible and lightweight - only 115 grams! |
| Purely Custom Soft Touch Bash Guard 34 tooth - 4x104 BCD |
| Red Bash Guard |
| Requires removal of the Outer (Large) chainring. Review of this product = http://www.gramslightbikes.com/2011/04/sea-otter-2011-purely-custom-soft-touch.html |
| KCNC Crank Arm Bolt - Hollowtech II, M960 |
| This left crankarm fixing bolt from KCNC is designed to fit most Shimano Hollowtech II designs, including all current road and mountain cranksets. Please note that cranksets such as Ultegra 6600 and 105 5600 use an m15 fixing bolt, and so are not compatible with this KCNC bolt. XTR M970 cranksets are also incompatible. Sale is for ONE bolt only. |
| KCNC Black |
| 4.5 grams Thread m20x8mm. Material 6061 aluminum For: Shimano Hollowtech II ALso for XTR(M960 m980) xt, SLX, Deore, Saint 9, 10 speed left crankarm Not compatible with FC-M970 |
| KCNC Gold |
| KCNC Chainring Conversion Kit |
| The KCNC Shimano XTR 980 Triple to Double crankset conversion kit. This allows the big ring on an XTR980 triple to be removed and convert the drive train to a twin ring double set up. The kit includes outer nuts designed to match the XTR 980 spider and make it look nice and neat! The kit also includes male bolts to fit the inner 64 bcd ring and spacers if needed. |
| KCNC Black |
| KCNC Red |
| KCNC Gold |
| This is for a CoolRace M8 Aluminum Crank Bolt pair. This will fit all cranks that use M8 Bolts. Including most all BMX and road bikes. 7075 aluminum, Uses a 14mm socket, 18.5mm outside diameter. The pair weighs 10 grams and will shave off about 20 grams over the stock steel bolts. Please do not over tighten these, about half the torque of a steel bolt. |
| CoolRace M8 Aluminum Crank Bolt Pair |
| Crank Bolts - Black |
| Crank Bolts - Red |
| Crank Bolts - Blue |
| Crank Bolts - Gold |
| Crank Bolts - Silver |
| Blue Collars |
| Aerozine MTB Crankset X12-SL-A3 Adjustable Crank Arm Length & Ceramic BB |
| This item ships only to the USA and Canada |
| Aerozine MTB Crankset Pink |
| Aerozine MTB Crankset Orange |
| Aerozine MTB Crankset Blue |
| Aerozine MTB Crankset Gold |
| Aerozine MTB Crankset Green |
| Aerozine MTB Crankset White |
| BUILT FOR : MTB and XC The lightest and stiffer crankset for your new option! 100% Precsion AL-7075T6 chain ring Forged al-7050 B.B. axle. Inner chainring bolts is 6al 4v titanium Crank Construction: AL-7050T6 B.B. axle Integrated crankset Bolt Circle Diameter: 104 / 64 mm Chainring set: 44-32-22T Crank Arm Length: 170/175 & 172.5 mm (ALS system) Crank Arm: Forged al-6066T6 Chainring Bolts & Nuts: alloy / stainless Average Weight: 676g (786g incl. BB) +/- 10g BB Shell Width: 73/68mm Chainline: 50mm Q-Factor: 168mm Chain: USE SHIMANO Super Narrow HG |
| KCNC Bearbone RD1 Road Crankset |
| This item ships only to the USA and Canada |
| KCNC Bearbone RD1 - 170mm |
| For use with ISIS drive BB's. 7075AL crank arms CNC machined 7075 chainrings, 170mm,172.5mm or 175mm lengths 53/39T chainrings BCD=130mm Black Anodized 7075al chain rings bolts 520g with chain rings Includes Black Crank Arm Extractor Collars. Does not include Bottom Bracket or Crank Bolts. |
| KCNC Bearbone RD1 - 172.5mm |
| KCNC Bearbone RD1 - 175mm |
| KCNC Titianium ISIS Bottom Bracket 68-73mm x 113mm |
| KCNC Ti BB |
| KCNC Ti BB, machined Titanium axle Triple bearing design - 2 on the driveside, 1 on the non-driveside. Fits a 68mm BB shell with spacers included, or 73mm shell without. Standard 1.37" 24tpi English thread. Includes 15mm steel cranks bolts. Weighs 209g including spacers and crank bolts |
| Aerozine MTB Crankset X12-FX-SA3 |
| This item ships only to the USA and Canada |
| Aerozine X12-FX-SA3- Black - 175mm |
| BUILT FOR : MTB and XC The entry level to enjoy the Aerozine crankset! 100% Precsion AL-7075T6 chain ring Forged al-7050 B.B. axle. AL-7050T6 B.B. axle Integrated Crankset Bolt Circle Diameter: 104 / 64 mm Chainring set: 44-32-22T Crank Arm Length: 175mm Crank Arm: Forged al-6066T6 Chainring Bolts & Nuts: stainless Average Weight: 750g +/- 10g BB Shell Width: 73/68mm Chainline: 50mm Q-Factor: 168mm Please Note: the Black is Matte Finish Download Technical Documents |
| 5 Gold Singles Nuts and Bolts |
| 5 Purple Singles Nuts and Bolts |
| Anodized Aluminum Crank Arm Dust Caps |
| KCNC Blue |
| Canadian Sales Tax I will pay sales tax for all Canadian customers. |
| Shipping Information Please check out FAQ page for shipping rates and information. |
| Titanium Bolts and Fasteners, Aluminum Bolts and Cycle Accessories |
| $5.00 World Wide Shipping |
| All Prices are USD |
| We are no longer shipping to Italy or Brazil |
| Shipping is via Air Mail and does not include a trace |
|

| Add Tracking to your Order: Canada = 8.00 USA = 12.00 International = 40.00 |
| Please note that a tracking number is extra cost and is very expensive overseas. Some orders take extra time so please be patient if a delay occurs. Please check our FAQ page if you have a question |
| M15 Aluminum Hollow Recessed Crank Bolts |
| Aluminum Crank Bolts for most MTB and ISIS bottom brackets. The center on these have been drilled out (hollow) and have recessed heads. These do not come with washers and are sold in pairs. 12.5g for the set. 8mm hex socket. |
| Red Crank Bolts |
| Black Crank Bolts |
| Silver Crank Bolts |
| Gold Crank Bolts |
| Green Crank Bolts |
| Purple Crank Bolts |
| Pink Crank Bolts |
| Blue Crank Bolts |
| Can be used with dust caps. Please do not use these to install cranks, Tighten first with steel bolts, then install this. |
| Extra Long (17mm) Aluminum Granny Bolts |
| Red Granny Bolt |
| Extra long Aluminum Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts. 17mm threaded - 19mm for the entire bolt including head. |
| The price is for a single bolt. You can update quantity in the shopping cart. |
| Gold Granny Bolt |
| Silver Granny Bolt |
| Blue Granny Bolt |
| Black Granny Bolt |
| Pink Granny Bolt |
| KCNC Chain - 110 Links |

| KCNC Super Light Chain - 9/10 speed - 110 links |
| KCNC Super Light Chain, 9 speed, 110 links, Silver 1/2" x 11/128" Pin Length: 59mm Pin Strength: 350kgf Compatibility: 1050kgf For Shimano and Campagnolo Super light weight with Hollow Pins Includes 1 Spare link-9S 110 Links Weight: 244g Silver Chain |
| This is for a new pair of Titanium crank bolts with aluminium collars. these are used on most crank setups with M8 threads. 21.5 grams for the set. Includes Titanium washers. |
| M8 Ti Crank Bolts and Washers with Alloy Collars |
| Red Crank Bolts |
| Silver Crank Bolts |
| Gold Crank Bolts |
| Purple Crank Bolts |
| Green Crank Bolts |
| Black Crank Bolts |
| Titanium Platform Pedal / Socket Set Screws |
| Titanium Platform Pedal / Socket Set Screws |
| Extra Long 12mm Titanium Granny Bolts 14mm Total Length |
| $3.00 |
| Single 12mm bolt |
| This is for extra long titanium Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts 14mm total length, 12mm from the bottom of the head. |
| $11.50 |
| Four 12mm bolts |
| $14.00 |
| Five 12mm bolts |
| Extra Long (19mm Total Legnth) Titanium Granny Bolts |
| $3.50 |
| Single 19mm bolt |
| This is for extra long titanium Granny bolts. These replace the long bolts found on some crank systems (If the bolt uses a spacer underneath the gear). Hollow Bolts 19mm total length, 17mm from the bottom of the head. |
| $13.00 |
| Four 19mm bolts |
| $15.75 |
| Five 19mm bolts |
| KCNC Silver |
| KCNC Red |
| Aerozine MTB Crankset Black |
| Aerozine MTB Crankset Red |
| 5 Black Doubles |
| 5 Red Doubles |
| 4 Black Doubles |
| 4 Red Doubles |
| 4 Gold Nuts and Bolts |
| 4 Red Nuts and Bolts |
| This is for a set of 4 KCNC aluminum Chainring Bolts. These are used on all Double (MTB) chain ring applications. |
| KCNC Chain Ring Nut/Bolt Set of 5 Doubles |
| 5 Blue Nuts and Bolts |
| 5 Silver Nuts and Bolts |
| 5 Black Nuts and Bolts |
| 5 Gold Nuts and Bolts |
| 5 Red Nuts and Bolts |
| 4 Green Nuts and Bolts |
| 5 Green Nuts and Bolts |
| Orange Doubles |
| Blue Crank Bolts |
| Squirt is a New Generation emulsion chain lubricant! It was developed to give better lubrication, last longer and keep the chain clean over long distances, for both mtn and road. Nothing beats it in dry, dusty conditions! •4 oz bottle •No decreasing required •Waxed based •Environmentally friendly •No harsh solvents |
| This item ships only to the USA and Canada |
| Squirt Dry Chain Lube |

| A2Z Single Speed Conversion Kit. This kit allows the removal of a standard cassette in order to run on a single speed Comes with 16 and 18 Tooth Sprockets. |
| A2Z Single Speed Conversion Kit |