Problem Solvers Bicycle Components

The Problem Solvers Sheldon Fender Nuts are an awesome way to avoid the brake-centering problems caused by mounting fenders directly to your brakes. They're named after the inventor and bike guru, Sheldon Brown. These special Sheldon nuts take the place of your existing brake nuts. They have threaded extensions for standard 6mm bolts (sold separately) providing a secure mounting place for your fenders that won't mess with your brake adjustment. They make it easier/faster to install and remove fenders, too, so they're great for commuting bicycles.

Attach these lightweight brackets to your water bottle bosses to serve as anchors for your cargo straps to carry just about anything, from sleeping pads to Nalgene bottles to barbeque sauce. These are a great addition to any bikepacking or touring cyclist’s on-bike storage toolkit. And their low profile means they don’t mess up the looks of your bike build while not in use.

The Problem Solvers Braze-On Front Derailleur Adapter simply clamps onto your frame's seat tube and provides a secure place to bolt on your braze-on front derailleur (sold separately). This fine adapter is made of light, durable aluminum and includes a stainless-steel bolt.

The Problem Solvers Compression Plug for 1 1/8-inch Forks is for threadless aluminum and carbon forks. It fits tightly inside the fork and provides easy headset adjustment and a nice, clean look.

The Problem Solvers Double Chainring Bolts include 5 chainring bolts and nuts that are 10mm wide. This is the right size for most double-chainring setups with a bashguard. These chainring bolts are made of aluminum and feature dual-hex heads for easy, secure installation.

The Problem Solvers Double Chainring Bolts include 5 chainring bolts and nuts that are 8mm wide. This is the right size for most double-chainring setups. These chainring bolts are made of aluminum and feature dual-hex heads for easy, secure installation.

The Problem Solvers Backstop bolts onto the frame to provide two stops for your cable housing. It's made of light, durable CNC-machined aluminum with a stainless-steel bolt, and the stops are slotted for easy cable installation/removal.

Problem Solvers' Braze-on Light mount threads into your fork or fender eyelets, allowing you to mount lights or accessories. It's lower position is great for getting your light closer to the ground for better visibility.

Problem Solvers Pog top caps are machined aluminum with a 5 or 10mm spacer integrated as one piece. This makes for a clean, finished look when mounting a stem below the top of the steerer tube. - Bolt not included - 10mm available with or without logo - 5mm available without logo only

Problem Solvers Universal Derailleur Hangers The Universal Hanger replaces the drive-side nut on the quick-release skewer so you can get the majority of your gear range back. A vital tool to bring along when touring. - Emergency, on-the-trail derailleur hanger replacement - Enables you to keep riding and use the majority of your gear range - Compatible with most rear-facing-horizontal and vertical dropouts - Replaces the drive-side nut on 5mm quick-release skewers - Anti-rotation feature ensures the derailleur stays in place during use - CNC-machined AL-6061 with steel hardware

The Problem Solvers Shifter Boss Covers are perfect for covering up the down-tube shifter bosses when you're converting a frame with them to a singlespeed/fixie setup. They're made of light, durable aluminum and sport a nice polished finish.

The Super Booster rear hub spacer kit is designed to give your 148mm rear thru-axle hubs the extra boost they need to fit any 157mm frame.

For riders who appreciate an elegant and streamlined setup, the Stem to Top Cap Tapered Spacer features a slight taper toward the top, allowing it to transition seamlessly to the Top Cap. - Anodized aluminum construction, no logos - Sold in packs of ten - 4mm outer diameter at base tapers to 32.5mm outer diameter at the top - S.H.I.S. Stem Clamp Diameter: 28.6

The Problem Solvers Ultralight Top Cap is a featherweight top cap and bolt that's a perfect fit on 1 1/8-inch threadless forks.

The Problem Solvers Center Lock Rotor Adapters are CNC-machined aluminum adapters that allow the use of 6-bolt rotors on Shimano's Center Lock hubs.

The Problem Solvers Center Lock Adapter Kit allows riders to use 6-bolt rotors on Shimano Center Lock compatible hubs. - Not intended to be used with rotors over 180mm in diameter - Made of extruded, CNC-machined, and broached AL-6061-T6 - Designed for use with Center Lock hubs and 6-bolt disc brake rotors

The Problem Solvers Cross Clamp mounts to the seat tube on your frame so that you can make your top-routed shift cables work with a bottom-pull front road derailleurs. This is a common setup on cyclocross bicycles. Choose the diameter that matches your frame.

Downtube cable adjusters from Problem Solvers. - Braze-on downtube adjusters for road shifters - Contoured to fit traditional sized steel downtubes - Black Finish

The Problem Solvers Head Tube Reducers resize your head tube to accommodate different size forks. These fine aluminum reducers are designed for traditional, external-cup headsets. Please contact us for any questions about compatibility with your bicycle.

The Problem Solvers Micro-Adjustable Headset Spacer goes on the fork (it requires 10mm of clearance on the steerer) and locks in place to retain your headset bearing adjustment. This makes it possible to run your fork and headset without a star nut or compression plug. This 2-part threaded component is made of CNC-machined aluminum with a small bolt for tightening, so it's light and durable.

MisMatch adapters allow users to mount Shimano & SRAM brakes and shifters on one clamp. MisMatch Adapter 1.0/1.1 attaches SRAM shifters to Shimano I-Spec-A or I-Spec-B brake lever clamps. MisMatch adapters and the ever evolving “standards” it attempts to integrate between SRAM and Shimano is a confusing subject. Shimano brake and shifter mounting options have changed a lot, going through four mounting systems from 2011-2016. Shimano components have a model number printed somewhere on the brake and/or shifter, and this is the best way to determine what you own and what adapter you need. MisMatch 1.0/1.1 fits Shimano brake levers:BL-M985, BL-M988, BL-M820, BL-M785, BL-T785, BL-M675, BL-T675, BL-M640, BL-M596, BL-M820-B, BL-M785-B, BL-M675-B, BL-M640-B, BL-M615, BL-M506 - Annodized Black

MisMatch 1.2 adaptors allow users to mount a SRAM MatchMaker shifter to a Shimano I-Spec-II brake lever clamp. - Installation hardware included - Anodized black - Sold each

The Problem Solvers Downtube Shift Cable Adjusters replace your existing shift adjusters, or let you add integrated shifters to your current down tube shifter-equipped road bike. Made from durable plastic and stainless steel, these adjusters are built to last for countless miles on your road steed. - Sold as a pair - Comes with mounting hardware

These handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. - Anodized black - 6061 Aluminum

These handy Problem Solvers Eccentric Bottom Bracket Shims allow you to fit your existing Eccentric Bottom Bracket into BB shells with inner diameters of 55mm or 57mm. - Anodized black - 6061 Aluminum

The Problem Solvers SpaceOut Spacers are 10 3mm or 6mm spacers for use with your 5mm bottle cage and frame eyelet screws/bolts. These handy spacers provide the additional clearance needed when mounting accessories like bottles, racks and fenders.

The Problem Solvers Chain Tensioner is a handy device that lets you cleanly install a derailleur on frames without a derailleur hanger. It's made of light and durable CNC-machined 6061 aluminum with steel hardware. It's designed for use with rear-facing horizontal dropouts and 10mm rear axles.

The Problem Solvers Handlebar Accessory Mount comes in handy when you don't have enough room on your handlebars for mounting all your accessories. It fits onto all handlebars, holds tightly and gives you 80mm of width for mounting more of your essential devices where they're easy to see and use (photo).

MisMatch adaptors allow users to mount Shimano & SRAM brakes and shifters on one clamp. Available in multiple configurations. Annodized Black Attaches Shimano I-Spec II shifters to SRAM MatchMaker brake lever clamps

Problem Solvers Cog & Carrier adapts multi-speed Shimano HG freehubs for singlespeed use. - Wide-profile alloy cog carrier supports a single speed cog - 6-bolt chromoly cog included, compatible with 3/32" and 1/8" chains - Carrier is splined for Shimano HG freehub compatibility - Additional cogs available separately