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The 12mm slotted MDS dropout is the newest chip for Surly's MDS equipped trail frames. You like chips, don't you? The 12mm slotted dropout chip uses a standard derailleur mount for maximum compatibility and is made of cast and machined 6061-T6 aluminum, with a fender eyelet. What's the coolest part about the 12mm slotted MDS chip, you ask? The fact that it also has the capability to run a 12 x 142mm thru-axle in a single speed configuration. This is good news because single speeds are good news. When you get an MDS equipped frame you're getting the option to set it up however you want. You can run a 142 x 12mm thru-axle rear end with a direct mount Shimano hanger, standard 135mm QR or The Mighty Singlespeed. The way this will work is that Surly complete bikes that feature the MDS will ship with whatever chip is compatible with derailleur spec. For instance, the complete Instigator 2.0 ships with the 142 x 12mm thru-axle Shimano chip. If you want to change it to a singlespeed later (and why wouldn't you?), all you have to do is get the SS chip. Frames will ship with all three MDS chips so pick your poison. The 142 x 12mm and 135mm QR chips are made of cast and machined 6061-T6 aluminum and The Mighty Singlespeed chip is 304 stainless steel, because the two words 'aluminum' and 'singlespeed' should never be too close to each other. Bad things can happen…. As you can see, the MDS gives you not just different build options, it lets you use a more varied selection of parts for your frame up builds. The MDS is featured on most of our trail bikes. That's right: Krampus Ops, Karate Monkey Ops, Instigator 2.0 and Ice Cream Truck frames all sport these puppies.

Hurdy Gurdy is another nifty device that keeps a rear wheel from slipping forward in the dropout under pedal load. It's designed for the Cross-Check's semi-horizontal front-loading dropouts, and will also work on many other similar dropouts. Hurdy Gurdy is investment cast of stainless steel for durability and good looks, and shares many of Tuggnut's design features. Its two axle holes allow for a wide variety of fore/aft wheel positions, it will work with standard QRs, bolted axles, and nutted axles up to 10mm.

This fine pair of Surly 10/12 Adapter Washers is designed to adapt any 135, 170, or 190mm O.L.D. QR axle hub with a 142, 177 or 197mm spaced thru-axle frame. Make sure the QR axle on your wheel is the right length for the frame spacing. For instance: 190mm OLD QR goes with 197mm thru-axle spacing.

- Surly Chain Tensioner part

Surly Thru-Axles are low-profile, bolted Thru-Axles are specifically designed for use with Surly thru-axle compatible frames. Offered in several sizes, for both front and rear wheels. 12x142 Rear Thru Axle: - Fits: Midnight Special and MDS Dropout bikes including Instigator, Legacy Karate Monkey & Legacy Krampus. 12x142/148 Rear Thru Axle: - Designed for frames with Surly Gnot Boost spacing (145mm), capable of working with 142 or 148mm rear hubs - Fits: Karate Monkey, Krampus, Troll, Ogre, ECR 12x177 Rear Thru Axle: - Fits: Wednesday 12x197 Rear Thru Axle: - Fits: Ice Cream Truck, Big Fat Dummy 12x100 Front Thru Axle: - Fits: Midnight Special 15x110 Front Thru Axle: - Fits: Karate Monkey, Krampus 15x150 Front Thru Axle: - Fits: Wednesday, Ice Cream Truck, Big Fat Dummy

- AL6061-T6 alloy quick-release seatpost clamp - Stainless steel bushing ensures smooth lever action - Adjustment knob allows for on-the-fly fine-tuning - Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts - 28.6mm for 25.4mm seatpost and steel frame - 29.8mm for 27.2mm seatpost and chromoly frame - 31.8mm for 27.2mm seatpost and aluminum frame - 34.9mm for 30.9mm seatpost and aluminum frame, or 31.6mm seatpost and carbon frame - 16mm height

Get back on the road with a quality replacement hanger. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications: - Size: Rear drive side, 135mm Q/R - Mounting location: Rear drive side - Attachment: 2-bolt - Weight: 12g

Featuring a universal design that allows the switch from a bolt to QR-style clamp, the Hope Seat Clamp is designed to keep your seat post in one spot and look good doing it. - Collar can be converted to QR

Featuring a universal design that allows the switch from a bolt to a QR-style clamp, the Hope Seat Clamp is designed to keep your seat post in one spot and look good doing it. - Collar can be converted to QR - Collar can be converted to QR - Machined from billet 2014 T6 aluminum - Bolt-compatible universal collars - Available in Black, Silver, Red, Blue, Purple, and Orange - Weight from 20g

What It Is Replacement hardware for ENVE carbon fiber seatposts. Who It's For Folks who need additional hardware for their ENVE seatposts. Why We Made It We get calls all the time for replacement hardware, so we made a little kit to make it easy for everyone.

- Soft foam grip donuts prevent thumb blisters from riding gloveless - Intended for use with flanged BMX grips to prevent rubbing and irritation

The Pro Braze-On Chain Catcher from K-EDGE is used by most professional cyclists and pro teams around the world, in all types of racing including prestigious Olympic Games, World Championships, and Grand Tours, such as the Tour de France, Paris-Roubaix, and Giro d ’Italia. The Pro model is designed to improve on the original K-EDGE Chain Catcher design: - Easier Installation – Independent setup and installation of front derailleur and the K-EDGE Chain Catcher - Stronger – Separate and lower attachment /adjustment bolt equates to stronger hold ensuring the chain cannot drop below the chain catcher - Optimized Design – Unique curved ramp profile enables quicker chain engagement with the chain ring while eliminating dropped chains - Material: 6061-T6 CNC machined Aluminum - Fitment: All braze-on mounted front derailleurs* - Hardware: Includes all mounting hardware for Shimano, SRAM, and Campagnolo front derailleurs * Not compatible with Campy EPS * May not work with all third-party braze-on adapter clamp. Shimano - Made in Boise, Idaho, USA, - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.

- Allows the use of two separate cables running from detangler to brake for more precise adjustment and better feel - Attaches to rear cable guide and routes two cables around seat post

- Aluminum cups w/ steel hardware - Converts a non-threaded 68mm American BB shell to use an English-threaded Euro BB - Shell: 68mm - Interface: American - Spindle Type: Euro - Cup Material: Alloy - Weight: 104g

Developed to work on either the Specialized Carbon or Hydroformed Alloy Aerobar, the Shiv Low-Stack Clamp reduces up to 19mm of stack height, in order to obtain a lower position while in the Aerobars. - Compatible w/ Specialized Carbon or Hydroformed Alloy Aerobar (2102-2010 / 2102-2005) - Reduces 19mm (1.9cm) of stack height

The Ohlins Stumpjumper Spring sets a new benchmark for spring rate accuracy and light weight for steel springs. - Ultra-fine spring rates to ensure perfect set up for all weights. - Spring rates are broken down to 4 N/mm (23 lbs./in). - Fits Ohlins TTX shock absorber for Stumpjumper FSR only. - Made with proprietary ultra lightweight steel, it's incredible for keeping your build weight down for trail riding.

• Aluminum clamp with a chromoly bolt

- 8x1mm Allen head

- Replacement cable anchor bolt for brakes - Includes nut and washer

Riser kits increase stack height to fit a wide range of riding styles for efficient positioning; compatible with ZBS Aerobars, T Plus Carbon Series Aerobars, T Plus Aluminum Series Aerobars, Supersonic Aerobars, Sonic Aerobars, and Subsonic Aerobars. - Multiple kits can be used to reach desired height up to 80mm rise - Raises armrest and extensions together to maintain a comfortable wrist position - Kit includes a pair of risers, bolts specific to riser size, and mounting hardware - Risers are compatible with J2, J3, and J4 Aerobar brackets - Clamp diameter: 31.8mm

Disc Brake Adapters

Clamps for mounting Magura disc brake levers to the bar. Does not include mounting hardware, clamp only. - Sold individually

- Machined aluminum replacement derailleur hangers to fit a wide variety of frames - Please visit https://wheelsmfg.com/derailleur-hanger-tech-help for more updated info - Made in USA + BMC Agonist Team Elite 12 2016-2020; Fourstroke 2016-2020; Speedfo

This Service Kit from All-City Cycles includes a derailleur hanger, axle stud, and nut. The derailleur hanger is compatible with any frame out there, but you’ll need the included axle stud and nut for mounting to an All-City frame. - Alloy construction - Replacement derailleur hanger sold separately (Part Number DP0814) - Axle Stud and Nut are compatible only with All-City Space Horse, Gorilla Monsoon, and Cosmic Stallion Titanium frames

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application - These hangers do not come with mounting hardware - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

Fit Kit SET702 contains all the parts needed to thru axle mount an Old Man Mountain bike rack to your fork with a 15 mm thru axle. This kit includes: - 15 x 145 mm thru axle with M14 x 1.5 mm thread pitch to fit Fox 15 x 100 mm forks (may fit others as well) - A pair of pucks - Clear protective tape - Stainless steel mounting hardware - Axle mounting increases our rack's load capacity to 70lbs/33kg - Fit Kits make it easy to swap between bikes or front and rear mounting with just a few bolts - Fit Kits protect your bike. Not all bike eyelets are meant for racks, most are only made for fenders or have very low weight limits. Axle mounting protects your frame We partner with The Robert Axle Project to supply our thru axles. Axle Length does NOT equal hub standard. This refers to the length of the axle shaft. All axles are compatible with +/- 2mm.

Jagwire's Brake or Shift Cable Tips are made of lightweight, corrosion-resistant and durable aluminum and are the right size to nicely fit over the ends of up to 1.8mm-diameter cables. These caps are crimped in place on the cables to prevent fraying and ensure your cables last a long time. The tips come in colors to add a little style to your bike.

Wolf Tooth CenterLock Rotor Lockrings for securing centerlock rotors to centerlock hubs. Machined from 7075-T6 aluminum at Wolf Tooth in Minnesota, USA. - Compatible with 12mm, 15mm and 20mm thru axles and QR - Machined 7075-T6 aluminum - Durable anodized finish - Torque to 40Nm - Not compatible with 6-bolt rotors and hubs - Washer included

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA