Cycling > Chain Tensioners

SRS Parts Tree

E.13 SS Steel Chainguide More than just a chainguide, the SS is a new chapter in ChainRetention. The SS delivers performance, durability and low maintenance.Now with a shiny backplate. Plated steel backplate New Tech 3 Stealth Idler

e.13 STP ISCG chain guide, is ISCG compatible; guide includes adapter plate for frames without ISCG mount tabs. 32t maximum capacity Includes Makrolon bashguard Bolt Pattern: 4-Bolt Chainring BCD: 104 mm Max Tooth: 32 teeth

Replacement lower guide for the MRP G2 chainguide.

MRP Lightweight Roller Kit parts for G2, System 1,2 and 3, SB-3 and LRP guides. Kit includes one roller with Delrin bushings and alloy mounting bolts/washers; there are two roller kits per chainguide Publidhed Weight: 30g

The MiniMe System 1 kit. MiniMe Kit: For 30 tooth to 34 tooth chainrings Material: CNC Machined Aluminum with Sealed cartridge bearing Rollers Applications: MRP Fit Guide System 1: System 1 kits have two plates that rotate with the chainring. Originally designed for elevated chainstay bikes but with the smaller...

DMR STS Single-Speed Chain Tensioner Stainless steel body provides strength and maximum stiffness Works in conjunction w/ frame's derailleur hanger and hub axle Adjustable pitch Weight: 120 g

Eastern BMX Chain tensioner 14mm. Unit of Sale: Each Fits: 14mm Axle Intended Use: BMX

The DRS (Dual Ring Security) lets you run the inner and middle position chainrings on your crank so you can have a range of gears at your disposal. The included bashgauard replaces your outer position chainring. Fits bikes with ISCG tabs for mounting a chainguide For standard 4-bolt, 104mm BCD...

E.13 LG1 Chain Retention System The LG1 chainguide system was developed to meet the rigorousdemands of World Cup downhill racing.  Extremely strong,reliable, and adjustable, this system has the lightest weight of anychainguide available. Wearplates have chainring size indicators for simple adjustment Easily change chains and chainrings w/o removing wearplates Captive...

e.13 Parts Tree for SRS, STS and STP guides (2006 and newer), with plastic and rubber replacement bits for e.13 guides.

The E-13 SRS Chain Retention System is compatible with all chainstay configurations. Compatible with ISCG (International Standard Chain Guide) tabbed frames or with bottom brackets that use a lip on the fixed cupQ3mm thick Makrolon thermoplastic bashguard is tough, light and won't snag Compatible with all chainstay configurations

MRP SB-3 Partycrasher chain guide, bottom bracket mount includes MRP's one-piece, CNC-machined polycarbonate bashguard. Pre-formed steel backplate eliminates the need for added guide places Based upon System 3 guide's boomerang design Compatible with standard and elevated chainstay configurations ISCG mount model requires ISCG mount tabs on frame or an ISCG...

MRP System 3 Chain Retention System Recommended for use on bikes with a low-profile chainstay design For 36 to 40 tooth, single chainring Use with external or internal rear gearing May require a longer bottom bracket Compact design for increased clearance Please use ISCG adapter CH1596 for non-ISCG tabbed frame...

MRP System 3 Mini Me Partycrasher chain guide is CNC-machined from a single block of polycarbonate and features a simplified boomerang design for lower weight and broader compatibility. Compatible with standard and elevated chainstay configurations SCG Mount model requires ISCG mount tabs on frame or an ISCG adapter plate Bolt...

MRP System3 Partycrasher chain guide, ISCG'05 mount, the Partycrasher bashguard is CNC-machined from a single block of polycarbonate. ISCG models require ISCG'05 mount tabs on frame or an ISCG'05 adapter plate Simplified boomerang for lower weight and broader compatibility Compatible with standard and elevated chainstay configurations Mount Type: I''05 Bolt...

The Odyssey PACT Chain Tensioner allows you to fine tune the tension on a BMX bikes chain. Fits: 14mm Axle

Race Face Atlas FR Chainguide The Race Face Atlas guide brings compatibility & ease of installation to a whole new level.  Designed for a wide range of frames & suspension systems, the Atlas guide is optimized to work flawlessly with most dual chainring set ups. Aggressive profiling on boomerang is...

The Sinz BMX Chain Tensioner features a sturdy forged AL construction. Sold as a pair Fits: 3/8" Intended Use: BMX

Surley Rocket Saver / Tensioner Chain tensioner for horizontal drops fits up to 10mm axels Integrated bottle opener Black/Silver

New Surly Singleator The "only" choice when converting to single speed.  Surly Singleator mounts right up to yourderailleur hanger and provides a simple, effective, and adjustablemeans of tensioning the excess chain slack found when using a frame with traditional dropouts. Features Fully-adjustable chain line Stainless steel pivot bushing Triple-sealed spring...

Heads up, singlespeeders! If you're trying to convert any recent model bike into a singlespeed, you've probably realized by now that since the dropouts are vertical, there isn't any way to properly tension the chain. Surly comes to the rescue with the Singleator. This handy device mounts to the derailleur...

Singleator upgrade kit. Includes new style guide wheel, side plates, and bolt

SURLY Tuggnut Stainless Steel Thumb Screw

TV 06 Shiftguide for TV RG cranks w/ std frt der