There are several advantages of having a cap crank arm. We are here to help you choose the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Truvativ Cap Crank Arm READ REVIEW

Best For Good Value: Buy: Tbest Cap Crank Arm READ REVIEW

Best For Mountain Bike: Buy: Enlee Cap Crank Arm READ REVIEW

Best For Road Bikes: Buy: Lq Industrial Cap Crank Arm READ REVIEW

Best For Bottom Bracket: Buy: Wanyifa Cap Crank Arm READ REVIEW

Best For Tear Resistance: Buy: Hujikf Cap Crank Arm READ REVIEW

Best For Non: Buy: Onemeter Cap Crank Arm READ REVIEW

Best For Packing List: Buy: Aouske Cap Crank Arm READ REVIEW

Best For Crank Arm: Buy: Takewell Cap Crank Arm READ REVIEW

Best Overall: Truvativ Cap Crank Arm

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The Truvativ Cap Crank Arm's high-end materials make sure that it ages well with use. The truvativ cap crank arm fits bb30 right. Make sure this fits by entering your model number. And, it came with a chain ring and it fits perfectly.

The arm works perfectly and it fits perfectly. Above all, the truvativ cap crank arm is designed for exact replacement and it is perfect for high quality.

Most buyers opine that an arm is required to remove the crank. Also, a few also found that the arm is the replacement for that pesky outer/extraction nut that gets lost.

• It is available in black and blue.
• This is perfect for GX eagle dub.
• Lot of satisfied buyers.

Best For Good Value: Tbest Cap Crank Arm

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The best cap crank arm is capable of outshining several other arms featured in this list in overall features in its price range. The Tbest Cap Crank Arm has now become an industry leader in outdoor transportation and auto parts products, and is in a leading position in product quality and after-sales service. Manufacturer says: Since its establishment in 2018, we have been working hard to create high-quality products. And, this is fitment and it has high quality equipment.

Lastly, the tbest cap crank arm is applied to 590 596 xt xtr slx crankset.

Almost all customers agree that the arm fits shimano xt m8000 crankset. In addition, they strongly agree that the arm is a perfect replacement for shimano's ridiculous design on their xt cranksets, which requires a special tool to install the factory plastic preload cap. Moreover, a few strongly agree that the arm fits well and snug, great replacement for the plastic plug thing from the factory.

• It looks great, it comes with a hex wrench and has a great design.
• 1 x crank bolt * other terms in pictures are not included.
• This is constructed of aluminum alloy construction, anti-rust, resistant, durable.
• Several colors are available, also updating your bike.

Best For Mountain Bike: Enlee Cap Crank Arm

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The Enlee Cap Crank Arm should be able to handle its purpose and duties with ease. The enlee cap crank arm is made of high wear and tear resistance silicone, durable. Clean your bike frame thoroughly, then apply rubbing alcohol to the areas where the crank defender will be mounted. Also, it has procured the highest quality, high impact material that won't fade or yellow over time.

The arm is non-slip, has silica gel raw materials and it has wear resistance. Also, the arm is pretty good and it looks good. Above all, the enlee cap crank arm is easy to install, First, remove the pedals and then put on the pedal crank protective cover.

One customer says - "The piece that goes at the end of your cranks is great, but the other likes to twist out of place during a ride and scratches your cranks anyway. ". Almost all buyers found that the arm is perfect on shimano xt mountain bike cranks.

• This is compatible with all major brand cranks in the market.
• Can protect your cranksets from scratches and dents from pedal strikes.
• This fits perfectly and it is built for easy installing.
• Use range: universal. Suitable for most cranksets.

Best For Road Bikes: Lq Industrial Cap Crank Arm

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The Lq Industrial Cap Crank Arm is satisfactory and appropriate and fits well with your daily use. In addition, it is cool, is very cool and it is attractive. The special texture surface technology makes the surface smooth and touching, and can protect your crankset from scratches and dents caused by pedal impact. Lastly, the lq industrial cap crank arm has tough stretch elasticity, light weight, strong abrasion resistance, anti-aging, no fading, and is durable.

• Packing: 1 set, material: silicone, color: black.
• Lot of satisfied buyers.

Best For Bottom Bracket: Wanyifa Cap Crank Arm

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If you often find yourself scrambling for a convenient and suitable arm, Wanyifa Cap Crank Arm should be your first option for buying. In addition, this is great for the bottom bracket and has a perfect design. Make sure this fits by entering your model number. Lastly, the wanyifa capcrank arm is good for good quality and has an excellent design.

Almost all customers opine that the arm is easy to pull the cranks off. To sum up, buyers found this to be one of the best arms for daily purposes.

• Package include:2x m8x15mm crank bolt,2x extractor,2 x nylon washer.
• Weight : 10g/pcs (crank bolt+ extractor + washer);pack of 2 total 20g.
• Bolt size:m8x15mm pitch 1.0mm; washer material:nylon.

Best For Tear Resistance: Hujikf Cap Crank Arm

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Compared with other arms in this category, the Hujikf Cap Crank Arm has a convenient design. The hujikf cap crank arm is cool and it is great for high quality. Make sure this fits by entering your model number. The crank boot cap is flexible, tensile. Bike crank boots are made of high wear and tear resistance silicone, durable.

The arm has been adapted to most models and it is very cool. Further, the arm is compatible with all major brand cranks in the market. Finally, the hujikf cap crankarm has wear resistance, is attractive and it is great for high quality material.

They say that these work as advertised and there are two sets of them.

• This is suitable for most road bikes' cranks.
• It is easy to install and use, easy to clean.
• Can protect your cranksets from scratches and dents from pedal strikes.
• Know why bicycle crank arm boots ?.

Best For Non: Onemeter Cap Crank Arm

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Next on the list, we've got yet another arm that manages to win our hearts. It's the Onemeter Cap Crank Arm and it's widely considered as one of the most convenient arms you can buy. The onemeter cap crank arm is non-toxic, it is used for simple installation and has a novel design. Make sure this fits by entering your model number. The crank boot protector has a stylish appearance, soft, non - slip, shockproof, and oil resistant.

The arm allows for a great deal and it is made for good value. Most importantly, the onemeter capcrank arm is compatible with 95% of sram, shimano, fsa, raceface, prowheel cranks, etc.

One customer says - "So honestly, it depends on your crank and the dimensions. ". A few say that the top piece is a little skewed but it serves its purpose.

• Rugged and durable: the crank arm protector is made of highly wear-resistant silicone, durable.
• Delivers what they promise.

Best For Packing List: Aouske Cap Crank Arm

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The Aouske Cap Crank Arm's material feels more premium than its price would suggest. The aouske cap crankarm is a good accessory for cycling enthusiasts. The silicone material makes it more durable and practical, allowing your crank to be protected for a long time. And, it is cool and it is made for non-slip.

The arm is easy to age, not easy to fade, and easy to clean. Most importantly, the aouske cap crank arm is portable and it is blue.

• Packing list: 1 pair* anti-collision protection device.
• Specification: material: silicone. Available colors: black, red, blue,.
• This is non-toxic and it is good for packing list.
• Size: approximately as shown weight: about 35g (a set of 4 weights).

Best For Crank Arm: Takewell Cap Crank Arm

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If you often find yourself scrambling for a convenient and suitable arm, Takewell Cap Crank Arm should be your first option for buying. Make sure this fits by entering your model number. Further, the arm fits dub/bb30 right. Additionally, it is suitable for sram dub system, black aluminum alloy m18/m30 side cover bb30 /dub, crank arm fixing cap，dub self-extracting. When it comes to finding a reliable arm, the takewell cap crank arm is definitely your first choice.

• Package: crank arm fixing cap - 1 pc.
• Lot of satisfied buyers.